39793960

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 93208320

約数和(自身を除く): 53414360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 61, 94, 122, 188, 235, 244, 305, 347, 376, 470, 488, 610, 694, 940, 1220, 1388, 1735, 1880, 2440, 2776, 2867, 3470, 5734, 6940, 11468, 13880, 14335, 16309, 21167, 22936, 28670, 32618, 42334, 57340, 65236, 81545, 84668, 105835, 114680, 130472, 163090, 169336, 211670, 326180, 423340, 652360, 846680, 994849, 1989698, 3979396, 4974245, 7958792, 9948490, 19896980, 39793960]

約数ペア:

[(1, 39793960), (2, 19896980), (4, 9948490), (5, 7958792), (8, 4974245), (10, 3979396), (20, 1989698), (40, 994849), (47, 846680), (61, 652360), (94, 423340), (122, 326180), (188, 211670), (235, 169336), (244, 163090), (305, 130472), (347, 114680), (376, 105835), (470, 84668), (488, 81545), (610, 65236), (694, 57340), (940, 42334), (1220, 32618), (1388, 28670), (1735, 22936), (1880, 21167), (2440, 16309), (2776, 14335), (2867, 13880), (3470, 11468), (5734, 6940)]