487868840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{297481}}^1$

素因数の和:297533

約数の個数: 32

約数和(自身を含む): 1124481960

約数和(自身を除く): 636613120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 297481, 594962, 1189924, 1487405, 2379848, 2974810, 5949620, 11899240, 12196721, 24393442, 48786884, 60983605, 97573768, 121967210, 243934420, 487868840]

約数ペア:

[(1, 487868840), (2, 243934420), (4, 121967210), (5, 97573768), (8, 60983605), (10, 48786884), (20, 24393442), (40, 12196721), (41, 11899240), (82, 5949620), (164, 2974810), (205, 2379848), (328, 1487405), (410, 1189924), (820, 594962), (1640, 297481)]