25882480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 66495744

約数和(自身を除く): 40613264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 607, 656, 820, 1040, 1066, 1214, 1640, 2132, 2428, 2665, 3035, 3280, 4264, 4856, 5330, 6070, 7891, 8528, 9712, 10660, 12140, 15782, 21320, 24280, 24887, 31564, 39455, 42640, 48560, 49774, 63128, 78910, 99548, 124435, 126256, 157820, 199096, 248870, 315640, 323531, 398192, 497740, 631280, 647062, 995480, 1294124, 1617655, 1990960, 2588248, 3235310, 5176496, 6470620, 12941240, 25882480]

約数ペア:

[(1, 25882480), (2, 12941240), (4, 6470620), (5, 5176496), (8, 3235310), (10, 2588248), (13, 1990960), (16, 1617655), (20, 1294124), (26, 995480), (40, 647062), (41, 631280), (52, 497740), (65, 398192), (80, 323531), (82, 315640), (104, 248870), (130, 199096), (164, 157820), (205, 126256), (208, 124435), (260, 99548), (328, 78910), (410, 63128), (520, 49774), (533, 48560), (607, 42640), (656, 39455), (820, 31564), (1040, 24887), (1066, 24280), (1214, 21320), (1640, 15782), (2132, 12140), (2428, 10660), (2665, 9712), (3035, 8528), (3280, 7891), (4264, 6070), (4856, 5330)]