85657960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1867}}^1$

素因数の和:1946

約数の個数: 64

約数和(自身を含む): 204433920

約数和(自身を除く): 118775960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 1867, 2294, 3734, 4588, 5735, 7468, 9176, 9335, 11470, 14936, 18670, 22940, 37340, 45880, 57877, 69079, 74680, 115754, 138158, 231508, 276316, 289385, 345395, 463016, 552632, 578770, 690790, 1157540, 1381580, 2141449, 2315080, 2763160, 4282898, 8565796, 10707245, 17131592, 21414490, 42828980, 85657960]

約数ペア:

[(1, 85657960), (2, 42828980), (4, 21414490), (5, 17131592), (8, 10707245), (10, 8565796), (20, 4282898), (31, 2763160), (37, 2315080), (40, 2141449), (62, 1381580), (74, 1157540), (124, 690790), (148, 578770), (155, 552632), (185, 463016), (248, 345395), (296, 289385), (310, 276316), (370, 231508), (620, 138158), (740, 115754), (1147, 74680), (1240, 69079), (1480, 57877), (1867, 45880), (2294, 37340), (3734, 22940), (4588, 18670), (5735, 14936), (7468, 11470), (9176, 9335)]