20141080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 47628000

約数和(自身を除く): 27486920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 97, 116, 145, 179, 194, 232, 290, 358, 388, 485, 580, 716, 776, 895, 970, 1160, 1432, 1790, 1940, 2813, 3580, 3880, 5191, 5626, 7160, 10382, 11252, 14065, 17363, 20764, 22504, 25955, 28130, 34726, 41528, 51910, 56260, 69452, 86815, 103820, 112520, 138904, 173630, 207640, 347260, 503527, 694520, 1007054, 2014108, 2517635, 4028216, 5035270, 10070540, 20141080]

約数ペア:

[(1, 20141080), (2, 10070540), (4, 5035270), (5, 4028216), (8, 2517635), (10, 2014108), (20, 1007054), (29, 694520), (40, 503527), (58, 347260), (97, 207640), (116, 173630), (145, 138904), (179, 112520), (194, 103820), (232, 86815), (290, 69452), (358, 56260), (388, 51910), (485, 41528), (580, 34726), (716, 28130), (776, 25955), (895, 22504), (970, 20764), (1160, 17363), (1432, 14065), (1790, 11252), (1940, 10382), (2813, 7160), (3580, 5626), (3880, 5191)]