4188340

素因数分解:

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

素因数の和:292

約数の個数: 48

約数和(自身を含む): 9631440

約数和(自身を除く): 5443100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 181, 260, 356, 362, 445, 724, 890, 905, 1157, 1780, 1810, 2314, 2353, 3620, 4628, 4706, 5785, 9412, 11570, 11765, 16109, 23140, 23530, 32218, 47060, 64436, 80545, 161090, 209417, 322180, 418834, 837668, 1047085, 2094170, 4188340]

約数ペア:

[(1, 4188340), (2, 2094170), (4, 1047085), (5, 837668), (10, 418834), (13, 322180), (20, 209417), (26, 161090), (52, 80545), (65, 64436), (89, 47060), (130, 32218), (178, 23530), (181, 23140), (260, 16109), (356, 11765), (362, 11570), (445, 9412), (724, 5785), (890, 4706), (905, 4628), (1157, 3620), (1780, 2353), (1810, 2314)]