40631000

素因数分解:

$2^3\times 5^3\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1053

約数の個数: 64

約数和(自身を含む): 97493760

約数和(自身を除く): 56862760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 250, 328, 410, 500, 820, 991, 1000, 1025, 1640, 1982, 2050, 3964, 4100, 4955, 5125, 7928, 8200, 9910, 10250, 19820, 20500, 24775, 39640, 40631, 41000, 49550, 81262, 99100, 123875, 162524, 198200, 203155, 247750, 325048, 406310, 495500, 812620, 991000, 1015775, 1625240, 2031550, 4063100, 5078875, 8126200, 10157750, 20315500, 40631000]

約数ペア:

[(1, 40631000), (2, 20315500), (4, 10157750), (5, 8126200), (8, 5078875), (10, 4063100), (20, 2031550), (25, 1625240), (40, 1015775), (41, 991000), (50, 812620), (82, 495500), (100, 406310), (125, 325048), (164, 247750), (200, 203155), (205, 198200), (250, 162524), (328, 123875), (410, 99100), (500, 81262), (820, 49550), (991, 41000), (1000, 40631), (1025, 39640), (1640, 24775), (1982, 20500), (2050, 19820), (3964, 10250), (4100, 9910), (4955, 8200), (5125, 7928)]