25562810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4013}}^1$

素因数の和:4047

約数の個数: 48

約数和(自身を含む): 57657096

約数和(自身を除く): 32094286

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 4013, 6370, 8026, 20065, 28091, 40130, 52169, 56182, 104338, 140455, 196637, 260845, 280910, 365183, 393274, 521690, 730366, 983185, 1825915, 1966370, 2556281, 3651830, 5112562, 12781405, 25562810]

約数ペア:

[(1, 25562810), (2, 12781405), (5, 5112562), (7, 3651830), (10, 2556281), (13, 1966370), (14, 1825915), (26, 983185), (35, 730366), (49, 521690), (65, 393274), (70, 365183), (91, 280910), (98, 260845), (130, 196637), (182, 140455), (245, 104338), (455, 56182), (490, 52169), (637, 40130), (910, 28091), (1274, 20065), (3185, 8026), (4013, 6370)]