23637500

素因数分解:

$2^2\times 5^5\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 54246528

約数和(自身を除く): 30609028

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 61, 62, 100, 122, 124, 125, 155, 244, 250, 305, 310, 500, 610, 620, 625, 775, 1220, 1250, 1525, 1550, 1891, 2500, 3050, 3100, 3125, 3782, 3875, 6100, 6250, 7564, 7625, 7750, 9455, 12500, 15250, 15500, 18910, 19375, 30500, 37820, 38125, 38750, 47275, 76250, 77500, 94550, 96875, 152500, 189100, 190625, 193750, 236375, 381250, 387500, 472750, 762500, 945500, 1181875, 2363750, 4727500, 5909375, 11818750, 23637500]

約数ペア:

[(1, 23637500), (2, 11818750), (4, 5909375), (5, 4727500), (10, 2363750), (20, 1181875), (25, 945500), (31, 762500), (50, 472750), (61, 387500), (62, 381250), (100, 236375), (122, 193750), (124, 190625), (125, 189100), (155, 152500), (244, 96875), (250, 94550), (305, 77500), (310, 76250), (500, 47275), (610, 38750), (620, 38125), (625, 37820), (775, 30500), (1220, 19375), (1250, 18910), (1525, 15500), (1550, 15250), (1891, 12500), (2500, 9455), (3050, 7750), (3100, 7625), (3125, 7564), (3782, 6250), (3875, 6100)]