12295660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 29571696

約数和(自身を除く): 17276036

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 131, 190, 247, 260, 262, 361, 380, 494, 524, 655, 722, 988, 1235, 1310, 1444, 1703, 1805, 2470, 2489, 2620, 3406, 3610, 4693, 4940, 4978, 6812, 7220, 8515, 9386, 9956, 12445, 17030, 18772, 23465, 24890, 32357, 34060, 46930, 47291, 49780, 64714, 93860, 94582, 129428, 161785, 189164, 236455, 323570, 472910, 614783, 647140, 945820, 1229566, 2459132, 3073915, 6147830, 12295660]

約数ペア:

[(1, 12295660), (2, 6147830), (4, 3073915), (5, 2459132), (10, 1229566), (13, 945820), (19, 647140), (20, 614783), (26, 472910), (38, 323570), (52, 236455), (65, 189164), (76, 161785), (95, 129428), (130, 94582), (131, 93860), (190, 64714), (247, 49780), (260, 47291), (262, 46930), (361, 34060), (380, 32357), (494, 24890), (524, 23465), (655, 18772), (722, 17030), (988, 12445), (1235, 9956), (1310, 9386), (1444, 8515), (1703, 7220), (1805, 6812), (2470, 4978), (2489, 4940), (2620, 4693), (3406, 3610)]