25493910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:653

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 41034090

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 131, 195, 262, 390, 393, 499, 655, 786, 998, 1310, 1497, 1703, 1965, 2495, 2994, 3406, 3930, 4990, 5109, 6487, 7485, 8515, 10218, 12974, 14970, 17030, 19461, 25545, 32435, 38922, 51090, 64870, 65369, 97305, 130738, 194610, 196107, 326845, 392214, 653690, 849797, 980535, 1699594, 1961070, 2549391, 4248985, 5098782, 8497970, 12746955, 25493910]

約数ペア:

[(1, 25493910), (2, 12746955), (3, 8497970), (5, 5098782), (6, 4248985), (10, 2549391), (13, 1961070), (15, 1699594), (26, 980535), (30, 849797), (39, 653690), (65, 392214), (78, 326845), (130, 196107), (131, 194610), (195, 130738), (262, 97305), (390, 65369), (393, 64870), (499, 51090), (655, 38922), (786, 32435), (998, 25545), (1310, 19461), (1497, 17030), (1703, 14970), (1965, 12974), (2495, 10218), (2994, 8515), (3406, 7485), (3930, 6487), (4990, 5109)]