1330786840

素因数分解:

$2^3\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{24091}}^1$

素因数の和:25483

約数の個数: 32

約数和(自身を含む): 2996562960

約数和(自身を除く): 1665776120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1381, 2762, 5524, 6905, 11048, 13810, 24091, 27620, 48182, 55240, 96364, 120455, 192728, 240910, 481820, 963640, 33269671, 66539342, 133078684, 166348355, 266157368, 332696710, 665393420, 1330786840]

約数ペア:

[(1, 1330786840), (2, 665393420), (4, 332696710), (5, 266157368), (8, 166348355), (10, 133078684), (20, 66539342), (40, 33269671), (1381, 963640), (2762, 481820), (5524, 240910), (6905, 192728), (11048, 120455), (13810, 96364), (24091, 55240), (27620, 48182)]