25239890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6263}}^1$

素因数の和:6314

約数の個数: 32

約数和(自身を含む): 50512896

約数和(自身を除く): 25273006

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 6263, 12526, 31315, 62630, 81419, 162838, 194153, 388306, 407095, 814190, 970765, 1941530, 2523989, 5047978, 12619945, 25239890]

約数ペア:

[(1, 25239890), (2, 12619945), (5, 5047978), (10, 2523989), (13, 1941530), (26, 970765), (31, 814190), (62, 407095), (65, 388306), (130, 194153), (155, 162838), (310, 81419), (403, 62630), (806, 31315), (2015, 12526), (4030, 6263)]