25549880

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2357}}^1$

素因数の和:2639

約数の個数: 32

約数和(自身を含む): 57723840

約数和(自身を除く): 32173960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2357, 2710, 4714, 5420, 9428, 10840, 11785, 18856, 23570, 47140, 94280, 638747, 1277494, 2554988, 3193735, 5109976, 6387470, 12774940, 25549880]

約数ペア:

[(1, 25549880), (2, 12774940), (4, 6387470), (5, 5109976), (8, 3193735), (10, 2554988), (20, 1277494), (40, 638747), (271, 94280), (542, 47140), (1084, 23570), (1355, 18856), (2168, 11785), (2357, 10840), (2710, 9428), (4714, 5420)]