162440000

素因数分解:

$2^6\times 5^4\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:194

約数の個数: 140

約数和(自身を含む): 418965888

約数和(自身を除く): 256525888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 131, 155, 160, 200, 248, 250, 262, 310, 320, 400, 496, 500, 524, 620, 625, 655, 775, 800, 992, 1000, 1048, 1240, 1250, 1310, 1550, 1600, 1984, 2000, 2096, 2480, 2500, 2620, 3100, 3275, 3875, 4000, 4061, 4192, 4960, 5000, 5240, 6200, 6550, 7750, 8000, 8122, 8384, 9920, 10000, 10480, 12400, 13100, 15500, 16244, 16375, 19375, 20000, 20305, 20960, 24800, 26200, 31000, 32488, 32750, 38750, 40000, 40610, 41920, 49600, 52400, 62000, 64976, 65500, 77500, 81220, 81875, 101525, 104800, 124000, 129952, 131000, 155000, 162440, 163750, 203050, 209600, 248000, 259904, 262000, 310000, 324880, 327500, 406100, 507625, 524000, 620000, 649760, 655000, 812200, 1015250, 1048000, 1240000, 1299520, 1310000, 1624400, 2030500, 2538125, 2620000, 3248800, 4061000, 5076250, 5240000, 6497600, 8122000, 10152500, 16244000, 20305000, 32488000, 40610000, 81220000, 162440000]

約数ペア:

[(1, 162440000), (2, 81220000), (4, 40610000), (5, 32488000), (8, 20305000), (10, 16244000), (16, 10152500), (20, 8122000), (25, 6497600), (31, 5240000), (32, 5076250), (40, 4061000), (50, 3248800), (62, 2620000), (64, 2538125), (80, 2030500), (100, 1624400), (124, 1310000), (125, 1299520), (131, 1240000), (155, 1048000), (160, 1015250), (200, 812200), (248, 655000), (250, 649760), (262, 620000), (310, 524000), (320, 507625), (400, 406100), (496, 327500), (500, 324880), (524, 310000), (620, 262000), (625, 259904), (655, 248000), (775, 209600), (800, 203050), (992, 163750), (1000, 162440), (1048, 155000), (1240, 131000), (1250, 129952), (1310, 124000), (1550, 104800), (1600, 101525), (1984, 81875), (2000, 81220), (2096, 77500), (2480, 65500), (2500, 64976), (2620, 62000), (3100, 52400), (3275, 49600), (3875, 41920), (4000, 40610), (4061, 40000), (4192, 38750), (4960, 32750), (5000, 32488), (5240, 31000), (6200, 26200), (6550, 24800), (7750, 20960), (8000, 20305), (8122, 20000), (8384, 19375), (9920, 16375), (10000, 16244), (10480, 15500), (12400, 13100)]