40331240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11329}}^1$

素因数の和:11429

約数の個数: 32

約数和(自身を含む): 91773000

約数和(自身を除く): 51441760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 11329, 22658, 45316, 56645, 90632, 113290, 226580, 453160, 1008281, 2016562, 4033124, 5041405, 8066248, 10082810, 20165620, 40331240]

約数ペア:

[(1, 40331240), (2, 20165620), (4, 10082810), (5, 8066248), (8, 5041405), (10, 4033124), (20, 2016562), (40, 1008281), (89, 453160), (178, 226580), (356, 113290), (445, 90632), (712, 56645), (890, 45316), (1780, 22658), (3560, 11329)]