89511880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1951}}^1$

素因数の和:2030

約数の個数: 64

約数和(自身を含む): 213626880

約数和(自身を除く): 124115000

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, 1951, 2294, 3902, 4588, 5735, 7804, 9176, 9755, 11470, 15608, 19510, 22940, 39020, 45880, 60481, 72187, 78040, 120962, 144374, 241924, 288748, 302405, 360935, 483848, 577496, 604810, 721870, 1209620, 1443740, 2237797, 2419240, 2887480, 4475594, 8951188, 11188985, 17902376, 22377970, 44755940, 89511880]

約数ペア:

[(1, 89511880), (2, 44755940), (4, 22377970), (5, 17902376), (8, 11188985), (10, 8951188), (20, 4475594), (31, 2887480), (37, 2419240), (40, 2237797), (62, 1443740), (74, 1209620), (124, 721870), (148, 604810), (155, 577496), (185, 483848), (248, 360935), (296, 302405), (310, 288748), (370, 241924), (620, 144374), (740, 120962), (1147, 78040), (1240, 72187), (1480, 60481), (1951, 45880), (2294, 39020), (3902, 22940), (4588, 19510), (5735, 15608), (7804, 11470), (9176, 9755)]