140431120

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{40823}}^1$

素因数の和:40879

約数の個数: 40

約数和(自身を含む): 334103616

約数和(自身を除く): 193672496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 40823, 81646, 163292, 204115, 326584, 408230, 653168, 816460, 1632920, 1755389, 3265840, 3510778, 7021556, 8776945, 14043112, 17553890, 28086224, 35107780, 70215560, 140431120]

約数ペア:

[(1, 140431120), (2, 70215560), (4, 35107780), (5, 28086224), (8, 17553890), (10, 14043112), (16, 8776945), (20, 7021556), (40, 3510778), (43, 3265840), (80, 1755389), (86, 1632920), (172, 816460), (215, 653168), (344, 408230), (430, 326584), (688, 204115), (860, 163292), (1720, 81646), (3440, 40823)]