1624400

素因数分解:

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

素因数の和:180

約数の個数: 60

約数和(自身を含む): 4059264

約数和(自身を除く): 2434864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 131, 155, 200, 248, 262, 310, 400, 496, 524, 620, 655, 775, 1048, 1240, 1310, 1550, 2096, 2480, 2620, 3100, 3275, 4061, 5240, 6200, 6550, 8122, 10480, 12400, 13100, 16244, 20305, 26200, 32488, 40610, 52400, 64976, 81220, 101525, 162440, 203050, 324880, 406100, 812200, 1624400]

約数ペア:

[(1, 1624400), (2, 812200), (4, 406100), (5, 324880), (8, 203050), (10, 162440), (16, 101525), (20, 81220), (25, 64976), (31, 52400), (40, 40610), (50, 32488), (62, 26200), (80, 20305), (100, 16244), (124, 13100), (131, 12400), (155, 10480), (200, 8122), (248, 6550), (262, 6200), (310, 5240), (400, 4061), (496, 3275), (524, 3100), (620, 2620), (655, 2480), (775, 2096), (1048, 1550), (1240, 1310)]