85841480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1871}}^1$

素因数の和:1950

約数の個数: 64

約数和(自身を含む): 204871680

約数和(自身を除く): 119030200

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, 1871, 2294, 3742, 4588, 5735, 7484, 9176, 9355, 11470, 14968, 18710, 22940, 37420, 45880, 58001, 69227, 74840, 116002, 138454, 232004, 276908, 290005, 346135, 464008, 553816, 580010, 692270, 1160020, 1384540, 2146037, 2320040, 2769080, 4292074, 8584148, 10730185, 17168296, 21460370, 42920740, 85841480]

約数ペア:

[(1, 85841480), (2, 42920740), (4, 21460370), (5, 17168296), (8, 10730185), (10, 8584148), (20, 4292074), (31, 2769080), (37, 2320040), (40, 2146037), (62, 1384540), (74, 1160020), (124, 692270), (148, 580010), (155, 553816), (185, 464008), (248, 346135), (296, 290005), (310, 276908), (370, 232004), (620, 138454), (740, 116002), (1147, 74840), (1240, 69227), (1480, 58001), (1871, 45880), (2294, 37420), (3742, 22940), (4588, 18710), (5735, 14968), (7484, 11470), (9176, 9355)]