1656551920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{3989}}^1$

素因数の和:4210

約数の個数: 80

約数和(自身を含む): 4007556000

約数和(自身を除く): 2351004080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 179, 232, 290, 358, 464, 580, 716, 895, 1160, 1432, 1790, 2320, 2864, 3580, 3989, 5191, 7160, 7978, 10382, 14320, 15956, 19945, 20764, 25955, 31912, 39890, 41528, 51910, 63824, 79780, 83056, 103820, 115681, 159560, 207640, 231362, 319120, 415280, 462724, 578405, 714031, 925448, 1156810, 1428062, 1850896, 2313620, 2856124, 3570155, 4627240, 5712248, 7140310, 9254480, 11424496, 14280620, 20706899, 28561240, 41413798, 57122480, 82827596, 103534495, 165655192, 207068990, 331310384, 414137980, 828275960, 1656551920]

約数ペア:

[(1, 1656551920), (2, 828275960), (4, 414137980), (5, 331310384), (8, 207068990), (10, 165655192), (16, 103534495), (20, 82827596), (29, 57122480), (40, 41413798), (58, 28561240), (80, 20706899), (116, 14280620), (145, 11424496), (179, 9254480), (232, 7140310), (290, 5712248), (358, 4627240), (464, 3570155), (580, 2856124), (716, 2313620), (895, 1850896), (1160, 1428062), (1432, 1156810), (1790, 925448), (2320, 714031), (2864, 578405), (3580, 462724), (3989, 415280), (5191, 319120), (7160, 231362), (7978, 207640), (10382, 159560), (14320, 115681), (15956, 103820), (19945, 83056), (20764, 79780), (25955, 63824), (31912, 51910), (39890, 41528)]