70215560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{40823}}^1$

素因数の和:40877

約数の個数: 32

約数和(自身を含む): 161663040

約数和(自身を除く): 91447480

約数列:

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

約数ペア:

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