129124840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{248317}}^1$

素因数の和:248341

約数の個数: 32

約数和(自身を含む): 312880680

約数和(自身を除く): 183755840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 248317, 496634, 993268, 1241585, 1986536, 2483170, 3228121, 4966340, 6456242, 9932680, 12912484, 16140605, 25824968, 32281210, 64562420, 129124840]

約数ペア:

[(1, 129124840), (2, 64562420), (4, 32281210), (5, 25824968), (8, 16140605), (10, 12912484), (13, 9932680), (20, 6456242), (26, 4966340), (40, 3228121), (52, 2483170), (65, 1986536), (104, 1241585), (130, 993268), (260, 496634), (520, 248317)]