25397580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32561}}^1$

素因数の和:32586

約数の個数: 48

約数和(自身を含む): 76585824

約数和(自身を除く): 51188244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 32561, 65122, 97683, 130244, 162805, 195366, 325610, 390732, 423293, 488415, 651220, 846586, 976830, 1269879, 1693172, 1953660, 2116465, 2539758, 4232930, 5079516, 6349395, 8465860, 12698790, 25397580]

約数ペア:

[(1, 25397580), (2, 12698790), (3, 8465860), (4, 6349395), (5, 5079516), (6, 4232930), (10, 2539758), (12, 2116465), (13, 1953660), (15, 1693172), (20, 1269879), (26, 976830), (30, 846586), (39, 651220), (52, 488415), (60, 423293), (65, 390732), (78, 325610), (130, 195366), (156, 162805), (195, 130244), (260, 97683), (390, 65122), (780, 32561)]