81899480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5431}}^1$

素因数の和:5484

約数の個数: 64

約数和(自身を含む): 205329600

約数和(自身を除く): 123430120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1885, 3016, 3770, 5431, 7540, 10862, 15080, 21724, 27155, 43448, 54310, 70603, 108620, 141206, 157499, 217240, 282412, 314998, 353015, 564824, 629996, 706030, 787495, 1259992, 1412060, 1574990, 2047487, 2824120, 3149980, 4094974, 6299960, 8189948, 10237435, 16379896, 20474870, 40949740, 81899480]

約数ペア:

[(1, 81899480), (2, 40949740), (4, 20474870), (5, 16379896), (8, 10237435), (10, 8189948), (13, 6299960), (20, 4094974), (26, 3149980), (29, 2824120), (40, 2047487), (52, 1574990), (58, 1412060), (65, 1259992), (104, 787495), (116, 706030), (130, 629996), (145, 564824), (232, 353015), (260, 314998), (290, 282412), (377, 217240), (520, 157499), (580, 141206), (754, 108620), (1160, 70603), (1508, 54310), (1885, 43448), (3016, 27155), (3770, 21724), (5431, 15080), (7540, 10862)]