56857520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:558

約数の個数: 80

約数和(自身を含む): 141740928

約数和(自身を除く): 84883408

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 97, 136, 170, 194, 272, 340, 388, 431, 485, 680, 776, 862, 970, 1360, 1552, 1649, 1724, 1940, 2155, 3298, 3448, 3880, 4310, 6596, 6896, 7327, 7760, 8245, 8620, 13192, 14654, 16490, 17240, 26384, 29308, 32980, 34480, 36635, 41807, 58616, 65960, 73270, 83614, 117232, 131920, 146540, 167228, 209035, 293080, 334456, 418070, 586160, 668912, 710719, 836140, 1421438, 1672280, 2842876, 3344560, 3553595, 5685752, 7107190, 11371504, 14214380, 28428760, 56857520]

約数ペア:

[(1, 56857520), (2, 28428760), (4, 14214380), (5, 11371504), (8, 7107190), (10, 5685752), (16, 3553595), (17, 3344560), (20, 2842876), (34, 1672280), (40, 1421438), (68, 836140), (80, 710719), (85, 668912), (97, 586160), (136, 418070), (170, 334456), (194, 293080), (272, 209035), (340, 167228), (388, 146540), (431, 131920), (485, 117232), (680, 83614), (776, 73270), (862, 65960), (970, 58616), (1360, 41807), (1552, 36635), (1649, 34480), (1724, 32980), (1940, 29308), (2155, 26384), (3298, 17240), (3448, 16490), (3880, 14654), (4310, 13192), (6596, 8620), (6896, 8245), (7327, 7760)]