80298500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{3917}}^1$

素因数の和:3977

約数の個数: 48

約数和(自身を含む): 179695152

約数和(自身を除く): 99396652

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 820, 1025, 2050, 3917, 4100, 5125, 7834, 10250, 15668, 19585, 20500, 39170, 78340, 97925, 160597, 195850, 321194, 391700, 489625, 642388, 802985, 979250, 1605970, 1958500, 3211940, 4014925, 8029850, 16059700, 20074625, 40149250, 80298500]

約数ペア:

[(1, 80298500), (2, 40149250), (4, 20074625), (5, 16059700), (10, 8029850), (20, 4014925), (25, 3211940), (41, 1958500), (50, 1605970), (82, 979250), (100, 802985), (125, 642388), (164, 489625), (205, 391700), (250, 321194), (410, 195850), (500, 160597), (820, 97925), (1025, 78340), (2050, 39170), (3917, 20500), (4100, 19585), (5125, 15668), (7834, 10250)]