8376680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 20638800

約数和(自身を除く): 12262120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 181, 260, 356, 362, 445, 520, 712, 724, 890, 905, 1157, 1448, 1780, 1810, 2314, 2353, 3560, 3620, 4628, 4706, 5785, 7240, 9256, 9412, 11570, 11765, 16109, 18824, 23140, 23530, 32218, 46280, 47060, 64436, 80545, 94120, 128872, 161090, 209417, 322180, 418834, 644360, 837668, 1047085, 1675336, 2094170, 4188340, 8376680]

約数ペア:

[(1, 8376680), (2, 4188340), (4, 2094170), (5, 1675336), (8, 1047085), (10, 837668), (13, 644360), (20, 418834), (26, 322180), (40, 209417), (52, 161090), (65, 128872), (89, 94120), (104, 80545), (130, 64436), (178, 47060), (181, 46280), (260, 32218), (356, 23530), (362, 23140), (445, 18824), (520, 16109), (712, 11765), (724, 11570), (890, 9412), (905, 9256), (1157, 7240), (1448, 5785), (1780, 4706), (1810, 4628), (2314, 3620), (2353, 3560)]