28273840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1741}}^1$

素因数の和:1790

約数の個数: 80

約数和(自身を含む): 77762880

約数和(自身を除く): 49489040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 1741, 2030, 2320, 3248, 3482, 4060, 6964, 8120, 8705, 12187, 13928, 16240, 17410, 24374, 27856, 34820, 48748, 50489, 60935, 69640, 97496, 100978, 121870, 139280, 194992, 201956, 243740, 252445, 353423, 403912, 487480, 504890, 706846, 807824, 974960, 1009780, 1413692, 1767115, 2019560, 2827384, 3534230, 4039120, 5654768, 7068460, 14136920, 28273840]

約数ペア:

[(1, 28273840), (2, 14136920), (4, 7068460), (5, 5654768), (7, 4039120), (8, 3534230), (10, 2827384), (14, 2019560), (16, 1767115), (20, 1413692), (28, 1009780), (29, 974960), (35, 807824), (40, 706846), (56, 504890), (58, 487480), (70, 403912), (80, 353423), (112, 252445), (116, 243740), (140, 201956), (145, 194992), (203, 139280), (232, 121870), (280, 100978), (290, 97496), (406, 69640), (464, 60935), (560, 50489), (580, 48748), (812, 34820), (1015, 27856), (1160, 24374), (1624, 17410), (1741, 16240), (2030, 13928), (2320, 12187), (3248, 8705), (3482, 8120), (4060, 6964)]