130407880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{607}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 303367680

約数和(自身を除く): 172959800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 131, 164, 205, 262, 328, 410, 524, 607, 655, 820, 1048, 1214, 1310, 1640, 2428, 2620, 3035, 4856, 5240, 5371, 6070, 10742, 12140, 21484, 24280, 24887, 26855, 42968, 49774, 53710, 79517, 99548, 107420, 124435, 159034, 199096, 214840, 248870, 318068, 397585, 497740, 636136, 795170, 995480, 1590340, 3180680, 3260197, 6520394, 13040788, 16300985, 26081576, 32601970, 65203940, 130407880]

約数ペア:

[(1, 130407880), (2, 65203940), (4, 32601970), (5, 26081576), (8, 16300985), (10, 13040788), (20, 6520394), (40, 3260197), (41, 3180680), (82, 1590340), (131, 995480), (164, 795170), (205, 636136), (262, 497740), (328, 397585), (410, 318068), (524, 248870), (607, 214840), (655, 199096), (820, 159034), (1048, 124435), (1214, 107420), (1310, 99548), (1640, 79517), (2428, 53710), (2620, 49774), (3035, 42968), (4856, 26855), (5240, 24887), (5371, 24280), (6070, 21484), (10742, 12140)]