79967600

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{6449}}^1$

素因数の和:6498

約数の個数: 60

約数和(自身を含む): 198350400

約数和(自身を除く): 118382800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 6449, 12400, 12898, 25796, 32245, 51592, 64490, 103184, 128980, 161225, 199919, 257960, 322450, 399838, 515920, 644900, 799676, 999595, 1289800, 1599352, 1999190, 2579600, 3198704, 3998380, 4997975, 7996760, 9995950, 15993520, 19991900, 39983800, 79967600]

約数ペア:

[(1, 79967600), (2, 39983800), (4, 19991900), (5, 15993520), (8, 9995950), (10, 7996760), (16, 4997975), (20, 3998380), (25, 3198704), (31, 2579600), (40, 1999190), (50, 1599352), (62, 1289800), (80, 999595), (100, 799676), (124, 644900), (155, 515920), (200, 399838), (248, 322450), (310, 257960), (400, 199919), (496, 161225), (620, 128980), (775, 103184), (1240, 64490), (1550, 51592), (2480, 32245), (3100, 25796), (6200, 12898), (6449, 12400)]