71693680

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6841}}^1$

素因数の和:6985

約数の個数: 40

約数和(自身を含む): 167984784

約数和(自身を除く): 96291104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 6841, 10480, 13682, 27364, 34205, 54728, 68410, 109456, 136820, 273640, 547280, 896171, 1792342, 3584684, 4480855, 7169368, 8961710, 14338736, 17923420, 35846840, 71693680]

約数ペア:

[(1, 71693680), (2, 35846840), (4, 17923420), (5, 14338736), (8, 8961710), (10, 7169368), (16, 4480855), (20, 3584684), (40, 1792342), (80, 896171), (131, 547280), (262, 273640), (524, 136820), (655, 109456), (1048, 68410), (1310, 54728), (2096, 34205), (2620, 27364), (5240, 13682), (6841, 10480)]