29557720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 69400800

約数和(自身を除く): 39843080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 134, 164, 205, 268, 269, 328, 335, 410, 536, 538, 670, 820, 1076, 1340, 1345, 1640, 2152, 2680, 2690, 2747, 5380, 5494, 10760, 10988, 11029, 13735, 18023, 21976, 22058, 27470, 36046, 44116, 54940, 55145, 72092, 88232, 90115, 109880, 110290, 144184, 180230, 220580, 360460, 441160, 720920, 738943, 1477886, 2955772, 3694715, 5911544, 7389430, 14778860, 29557720]

約数ペア:

[(1, 29557720), (2, 14778860), (4, 7389430), (5, 5911544), (8, 3694715), (10, 2955772), (20, 1477886), (40, 738943), (41, 720920), (67, 441160), (82, 360460), (134, 220580), (164, 180230), (205, 144184), (268, 110290), (269, 109880), (328, 90115), (335, 88232), (410, 72092), (536, 55145), (538, 54940), (670, 44116), (820, 36046), (1076, 27470), (1340, 22058), (1345, 21976), (1640, 18023), (2152, 13735), (2680, 11029), (2690, 10988), (2747, 10760), (5380, 5494)]