28234960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1597}}^1$

素因数の和:1640

約数の個数: 80

約数和(自身を含む): 74901456

約数和(自身を除く): 46666496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1597, 1768, 2210, 3194, 3536, 4420, 6388, 7985, 8840, 12776, 15970, 17680, 20761, 25552, 27149, 31940, 41522, 54298, 63880, 83044, 103805, 108596, 127760, 135745, 166088, 207610, 217192, 271490, 332176, 352937, 415220, 434384, 542980, 705874, 830440, 1085960, 1411748, 1660880, 1764685, 2171920, 2823496, 3529370, 5646992, 7058740, 14117480, 28234960]

約数ペア:

[(1, 28234960), (2, 14117480), (4, 7058740), (5, 5646992), (8, 3529370), (10, 2823496), (13, 2171920), (16, 1764685), (17, 1660880), (20, 1411748), (26, 1085960), (34, 830440), (40, 705874), (52, 542980), (65, 434384), (68, 415220), (80, 352937), (85, 332176), (104, 271490), (130, 217192), (136, 207610), (170, 166088), (208, 135745), (221, 127760), (260, 108596), (272, 103805), (340, 83044), (442, 63880), (520, 54298), (680, 41522), (884, 31940), (1040, 27149), (1105, 25552), (1360, 20761), (1597, 17680), (1768, 15970), (2210, 12776), (3194, 8840), (3536, 7985), (4420, 6388)]