85140880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3121}}^1$

素因数の和:3176

約数の個数: 80

約数和(自身を含む): 222985728

約数和(自身を除く): 137844848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3121, 3410, 5456, 6242, 6820, 12484, 13640, 15605, 24968, 27280, 31210, 34331, 49936, 62420, 68662, 96751, 124840, 137324, 171655, 193502, 249680, 274648, 343310, 387004, 483755, 549296, 686620, 774008, 967510, 1064261, 1373240, 1548016, 1935020, 2128522, 2746480, 3870040, 4257044, 5321305, 7740080, 8514088, 10642610, 17028176, 21285220, 42570440, 85140880]

約数ペア:

[(1, 85140880), (2, 42570440), (4, 21285220), (5, 17028176), (8, 10642610), (10, 8514088), (11, 7740080), (16, 5321305), (20, 4257044), (22, 3870040), (31, 2746480), (40, 2128522), (44, 1935020), (55, 1548016), (62, 1373240), (80, 1064261), (88, 967510), (110, 774008), (124, 686620), (155, 549296), (176, 483755), (220, 387004), (248, 343310), (310, 274648), (341, 249680), (440, 193502), (496, 171655), (620, 137324), (682, 124840), (880, 96751), (1240, 68662), (1364, 62420), (1705, 49936), (2480, 34331), (2728, 31210), (3121, 27280), (3410, 24968), (5456, 15605), (6242, 13640), (6820, 12484)]