31095220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2917}}^1$

素因数の和:2980

約数の個数: 48

約数和(自身を含む): 72062928

約数和(自身を除く): 40967708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 2917, 5330, 5834, 10660, 11668, 14585, 29170, 37921, 58340, 75842, 119597, 151684, 189605, 239194, 379210, 478388, 597985, 758420, 1195970, 1554761, 2391940, 3109522, 6219044, 7773805, 15547610, 31095220]

約数ペア:

[(1, 31095220), (2, 15547610), (4, 7773805), (5, 6219044), (10, 3109522), (13, 2391940), (20, 1554761), (26, 1195970), (41, 758420), (52, 597985), (65, 478388), (82, 379210), (130, 239194), (164, 189605), (205, 151684), (260, 119597), (410, 75842), (533, 58340), (820, 37921), (1066, 29170), (2132, 14585), (2665, 11668), (2917, 10660), (5330, 5834)]