25715560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2909}}^1$

素因数の和:2950

約数の個数: 64

約数和(自身を含む): 65998800

約数和(自身を除く): 40283240

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 2909, 4420, 5818, 8840, 11636, 14545, 23272, 29090, 37817, 49453, 58180, 75634, 98906, 116360, 151268, 189085, 197812, 247265, 302536, 378170, 395624, 494530, 642889, 756340, 989060, 1285778, 1512680, 1978120, 2571556, 3214445, 5143112, 6428890, 12857780, 25715560]

約数ペア:

[(1, 25715560), (2, 12857780), (4, 6428890), (5, 5143112), (8, 3214445), (10, 2571556), (13, 1978120), (17, 1512680), (20, 1285778), (26, 989060), (34, 756340), (40, 642889), (52, 494530), (65, 395624), (68, 378170), (85, 302536), (104, 247265), (130, 197812), (136, 189085), (170, 151268), (221, 116360), (260, 98906), (340, 75634), (442, 58180), (520, 49453), (680, 37817), (884, 29090), (1105, 23272), (1768, 14545), (2210, 11636), (2909, 8840), (4420, 5818)]