49182640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1$

素因数の和:195

約数の個数: 120

約数和(自身を含む): 130960368

約数和(自身を除く): 81777728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 131, 152, 190, 208, 247, 260, 262, 304, 361, 380, 494, 520, 524, 655, 722, 760, 988, 1040, 1048, 1235, 1310, 1444, 1520, 1703, 1805, 1976, 2096, 2470, 2489, 2620, 2888, 3406, 3610, 3952, 4693, 4940, 4978, 5240, 5776, 6812, 7220, 8515, 9386, 9880, 9956, 10480, 12445, 13624, 14440, 17030, 18772, 19760, 19912, 23465, 24890, 27248, 28880, 32357, 34060, 37544, 39824, 46930, 47291, 49780, 64714, 68120, 75088, 93860, 94582, 99560, 129428, 136240, 161785, 187720, 189164, 199120, 236455, 258856, 323570, 375440, 378328, 472910, 517712, 614783, 647140, 756656, 945820, 1229566, 1294280, 1891640, 2459132, 2588560, 3073915, 3783280, 4918264, 6147830, 9836528, 12295660, 24591320, 49182640]

約数ペア:

[(1, 49182640), (2, 24591320), (4, 12295660), (5, 9836528), (8, 6147830), (10, 4918264), (13, 3783280), (16, 3073915), (19, 2588560), (20, 2459132), (26, 1891640), (38, 1294280), (40, 1229566), (52, 945820), (65, 756656), (76, 647140), (80, 614783), (95, 517712), (104, 472910), (130, 378328), (131, 375440), (152, 323570), (190, 258856), (208, 236455), (247, 199120), (260, 189164), (262, 187720), (304, 161785), (361, 136240), (380, 129428), (494, 99560), (520, 94582), (524, 93860), (655, 75088), (722, 68120), (760, 64714), (988, 49780), (1040, 47291), (1048, 46930), (1235, 39824), (1310, 37544), (1444, 34060), (1520, 32357), (1703, 28880), (1805, 27248), (1976, 24890), (2096, 23465), (2470, 19912), (2489, 19760), (2620, 18772), (2888, 17030), (3406, 14440), (3610, 13624), (3952, 12445), (4693, 10480), (4940, 9956), (4978, 9880), (5240, 9386), (5776, 8515), (6812, 7220)]