40380440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1452

約数の個数: 64

約数和(自身を含む): 98508960

約数和(自身を除く): 58128520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 1381, 1462, 1720, 2762, 2924, 3655, 5524, 5848, 6905, 7310, 11048, 13810, 14620, 23477, 27620, 29240, 46954, 55240, 59383, 93908, 117385, 118766, 187816, 234770, 237532, 296915, 469540, 475064, 593830, 939080, 1009511, 1187660, 2019022, 2375320, 4038044, 5047555, 8076088, 10095110, 20190220, 40380440]

約数ペア:

[(1, 40380440), (2, 20190220), (4, 10095110), (5, 8076088), (8, 5047555), (10, 4038044), (17, 2375320), (20, 2019022), (34, 1187660), (40, 1009511), (43, 939080), (68, 593830), (85, 475064), (86, 469540), (136, 296915), (170, 237532), (172, 234770), (215, 187816), (340, 118766), (344, 117385), (430, 93908), (680, 59383), (731, 55240), (860, 46954), (1381, 29240), (1462, 27620), (1720, 23477), (2762, 14620), (2924, 13810), (3655, 11048), (5524, 7310), (5848, 6905)]