89330840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1181}}^1$

素因数の和:1284

約数の個数: 64

約数和(自身を含む): 211057920

約数和(自身を除く): 121727080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1181, 1220, 1240, 1891, 2362, 2440, 3782, 4724, 5905, 7564, 9448, 9455, 11810, 15128, 18910, 23620, 36611, 37820, 47240, 72041, 73222, 75640, 144082, 146444, 183055, 288164, 292888, 360205, 366110, 576328, 720410, 732220, 1440820, 1464440, 2233271, 2881640, 4466542, 8933084, 11166355, 17866168, 22332710, 44665420, 89330840]

約数ペア:

[(1, 89330840), (2, 44665420), (4, 22332710), (5, 17866168), (8, 11166355), (10, 8933084), (20, 4466542), (31, 2881640), (40, 2233271), (61, 1464440), (62, 1440820), (122, 732220), (124, 720410), (155, 576328), (244, 366110), (248, 360205), (305, 292888), (310, 288164), (488, 183055), (610, 146444), (620, 144082), (1181, 75640), (1220, 73222), (1240, 72041), (1891, 47240), (2362, 37820), (2440, 36611), (3782, 23620), (4724, 18910), (5905, 15128), (7564, 11810), (9448, 9455)]