56895160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{641}}^1$

素因数の和:976

約数の個数: 64

約数和(自身を含む): 146992320

約数和(自身を除く): 90097160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 317, 634, 641, 1268, 1282, 1585, 2219, 2536, 2564, 3170, 3205, 4438, 4487, 5128, 6340, 6410, 8876, 8974, 11095, 12680, 12820, 17752, 17948, 22190, 22435, 25640, 35896, 44380, 44870, 88760, 89740, 179480, 203197, 406394, 812788, 1015985, 1422379, 1625576, 2031970, 2844758, 4063940, 5689516, 7111895, 8127880, 11379032, 14223790, 28447580, 56895160]

約数ペア:

[(1, 56895160), (2, 28447580), (4, 14223790), (5, 11379032), (7, 8127880), (8, 7111895), (10, 5689516), (14, 4063940), (20, 2844758), (28, 2031970), (35, 1625576), (40, 1422379), (56, 1015985), (70, 812788), (140, 406394), (280, 203197), (317, 179480), (634, 89740), (641, 88760), (1268, 44870), (1282, 44380), (1585, 35896), (2219, 25640), (2536, 22435), (2564, 22190), (3170, 17948), (3205, 17752), (4438, 12820), (4487, 12680), (5128, 11095), (6340, 8974), (6410, 8876)]