495280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:205

約数の個数: 40

約数和(自身を含む): 1187424

約数和(自身を除く): 692144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 151, 164, 205, 302, 328, 410, 604, 656, 755, 820, 1208, 1510, 1640, 2416, 3020, 3280, 6040, 6191, 12080, 12382, 24764, 30955, 49528, 61910, 99056, 123820, 247640, 495280]

約数ペア:

[(1, 495280), (2, 247640), (4, 123820), (5, 99056), (8, 61910), (10, 49528), (16, 30955), (20, 24764), (40, 12382), (41, 12080), (80, 6191), (82, 6040), (151, 3280), (164, 3020), (205, 2416), (302, 1640), (328, 1510), (410, 1208), (604, 820), (656, 755)]