28536820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2677}}^1$

素因数の和:2740

約数の個数: 48

約数和(自身を含む): 66135888

約数和(自身を除く): 37599068

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, 2677, 5330, 5354, 10660, 10708, 13385, 26770, 34801, 53540, 69602, 109757, 139204, 174005, 219514, 348010, 439028, 548785, 696020, 1097570, 1426841, 2195140, 2853682, 5707364, 7134205, 14268410, 28536820]

約数ペア:

[(1, 28536820), (2, 14268410), (4, 7134205), (5, 5707364), (10, 2853682), (13, 2195140), (20, 1426841), (26, 1097570), (41, 696020), (52, 548785), (65, 439028), (82, 348010), (130, 219514), (164, 174005), (205, 139204), (260, 109757), (410, 69602), (533, 53540), (820, 34801), (1066, 26770), (2132, 13385), (2665, 10708), (2677, 10660), (5330, 5354)]