89521660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1049}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 200037600

約数和(自身を除く): 110515940

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 251, 340, 502, 1004, 1049, 1255, 2098, 2510, 4196, 4267, 5020, 5245, 8534, 10490, 17068, 17833, 20980, 21335, 35666, 42670, 71332, 85340, 89165, 178330, 263299, 356660, 526598, 1053196, 1316495, 2632990, 4476083, 5265980, 8952166, 17904332, 22380415, 44760830, 89521660]

約数ペア:

[(1, 89521660), (2, 44760830), (4, 22380415), (5, 17904332), (10, 8952166), (17, 5265980), (20, 4476083), (34, 2632990), (68, 1316495), (85, 1053196), (170, 526598), (251, 356660), (340, 263299), (502, 178330), (1004, 89165), (1049, 85340), (1255, 71332), (2098, 42670), (2510, 35666), (4196, 21335), (4267, 20980), (5020, 17833), (5245, 17068), (8534, 10490)]