54129940

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 116250624

約数和(自身を除く): 62120684

約数列:

[1, 2, 4, 5, 10, 20, 101, 127, 202, 211, 254, 404, 422, 505, 508, 635, 844, 1010, 1055, 1270, 2020, 2110, 2540, 4220, 12827, 21311, 25654, 26797, 42622, 51308, 53594, 64135, 85244, 106555, 107188, 128270, 133985, 213110, 256540, 267970, 426220, 535940, 2706497, 5412994, 10825988, 13532485, 27064970, 54129940]

約数ペア:

[(1, 54129940), (2, 27064970), (4, 13532485), (5, 10825988), (10, 5412994), (20, 2706497), (101, 535940), (127, 426220), (202, 267970), (211, 256540), (254, 213110), (404, 133985), (422, 128270), (505, 107188), (508, 106555), (635, 85244), (844, 64135), (1010, 53594), (1055, 51308), (1270, 42622), (2020, 26797), (2110, 25654), (2540, 21311), (4220, 12827)]