25990400

素因数分解:

$2^8\times 5^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:188

約数の個数: 108

約数和(自身を含む): 66912384

約数和(自身を除く): 40921984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 131, 155, 160, 200, 248, 256, 262, 310, 320, 400, 496, 524, 620, 640, 655, 775, 800, 992, 1048, 1240, 1280, 1310, 1550, 1600, 1984, 2096, 2480, 2620, 3100, 3200, 3275, 3968, 4061, 4192, 4960, 5240, 6200, 6400, 6550, 7936, 8122, 8384, 9920, 10480, 12400, 13100, 16244, 16768, 19840, 20305, 20960, 24800, 26200, 32488, 33536, 39680, 40610, 41920, 49600, 52400, 64976, 81220, 83840, 99200, 101525, 104800, 129952, 162440, 167680, 198400, 203050, 209600, 259904, 324880, 406100, 419200, 519808, 649760, 812200, 838400, 1039616, 1299520, 1624400, 2599040, 3248800, 5198080, 6497600, 12995200, 25990400]

約数ペア:

[(1, 25990400), (2, 12995200), (4, 6497600), (5, 5198080), (8, 3248800), (10, 2599040), (16, 1624400), (20, 1299520), (25, 1039616), (31, 838400), (32, 812200), (40, 649760), (50, 519808), (62, 419200), (64, 406100), (80, 324880), (100, 259904), (124, 209600), (128, 203050), (131, 198400), (155, 167680), (160, 162440), (200, 129952), (248, 104800), (256, 101525), (262, 99200), (310, 83840), (320, 81220), (400, 64976), (496, 52400), (524, 49600), (620, 41920), (640, 40610), (655, 39680), (775, 33536), (800, 32488), (992, 26200), (1048, 24800), (1240, 20960), (1280, 20305), (1310, 19840), (1550, 16768), (1600, 16244), (1984, 13100), (2096, 12400), (2480, 10480), (2620, 9920), (3100, 8384), (3200, 8122), (3275, 7936), (3968, 6550), (4061, 6400), (4192, 6200), (4960, 5240)]