164473840

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{38791}}^1$

素因数の和:38857

約数の個数: 40

約数和(自身を含む): 389626848

約数和(自身を除く): 225153008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 38791, 77582, 155164, 193955, 310328, 387910, 620656, 775820, 1551640, 2055923, 3103280, 4111846, 8223692, 10279615, 16447384, 20559230, 32894768, 41118460, 82236920, 164473840]

約数ペア:

[(1, 164473840), (2, 82236920), (4, 41118460), (5, 32894768), (8, 20559230), (10, 16447384), (16, 10279615), (20, 8223692), (40, 4111846), (53, 3103280), (80, 2055923), (106, 1551640), (212, 775820), (265, 620656), (424, 387910), (530, 310328), (848, 193955), (1060, 155164), (2120, 77582), (4240, 38791)]