489127960

素因数分解:

$2^3\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{10831}}^1$

素因数の和:11971

約数の個数: 32

約数和(自身を含む): 1101614400

約数和(自身を除く): 612486440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1129, 2258, 4516, 5645, 9032, 10831, 11290, 21662, 22580, 43324, 45160, 54155, 86648, 108310, 216620, 433240, 12228199, 24456398, 48912796, 61140995, 97825592, 122281990, 244563980, 489127960]

約数ペア:

[(1, 489127960), (2, 244563980), (4, 122281990), (5, 97825592), (8, 61140995), (10, 48912796), (20, 24456398), (40, 12228199), (1129, 433240), (2258, 216620), (4516, 108310), (5645, 86648), (9032, 54155), (10831, 45160), (11290, 43324), (21662, 22580)]