31423760

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3671}}^1$

素因数の和:3791

約数の個数: 40

約数和(自身を含む): 73763136

約数和(自身を除く): 42339376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 3671, 4280, 7342, 8560, 14684, 18355, 29368, 36710, 58736, 73420, 146840, 293680, 392797, 785594, 1571188, 1963985, 3142376, 3927970, 6284752, 7855940, 15711880, 31423760]

約数ペア:

[(1, 31423760), (2, 15711880), (4, 7855940), (5, 6284752), (8, 3927970), (10, 3142376), (16, 1963985), (20, 1571188), (40, 785594), (80, 392797), (107, 293680), (214, 146840), (428, 73420), (535, 58736), (856, 36710), (1070, 29368), (1712, 18355), (2140, 14684), (3671, 8560), (4280, 7342)]