86478220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1381}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 189455616

約数和(自身を除く): 102977396

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 202, 310, 404, 505, 620, 1010, 1381, 2020, 2762, 3131, 5524, 6262, 6905, 12524, 13810, 15655, 27620, 31310, 42811, 62620, 85622, 139481, 171244, 214055, 278962, 428110, 557924, 697405, 856220, 1394810, 2789620, 4323911, 8647822, 17295644, 21619555, 43239110, 86478220]

約数ペア:

[(1, 86478220), (2, 43239110), (4, 21619555), (5, 17295644), (10, 8647822), (20, 4323911), (31, 2789620), (62, 1394810), (101, 856220), (124, 697405), (155, 557924), (202, 428110), (310, 278962), (404, 214055), (505, 171244), (620, 139481), (1010, 85622), (1381, 62620), (2020, 42811), (2762, 31310), (3131, 27620), (5524, 15655), (6262, 13810), (6905, 12524)]