56731720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4391}}^1$

素因数の和:4438

約数の個数: 64

約数和(自身を含む): 142300800

約数和(自身を除く): 85569080

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 4391, 6460, 8782, 12920, 17564, 21955, 35128, 43910, 74647, 83429, 87820, 149294, 166858, 175640, 298588, 333716, 373235, 417145, 597176, 667432, 746470, 834290, 1418293, 1492940, 1668580, 2836586, 2985880, 3337160, 5673172, 7091465, 11346344, 14182930, 28365860, 56731720]

約数ペア:

[(1, 56731720), (2, 28365860), (4, 14182930), (5, 11346344), (8, 7091465), (10, 5673172), (17, 3337160), (19, 2985880), (20, 2836586), (34, 1668580), (38, 1492940), (40, 1418293), (68, 834290), (76, 746470), (85, 667432), (95, 597176), (136, 417145), (152, 373235), (170, 333716), (190, 298588), (323, 175640), (340, 166858), (380, 149294), (646, 87820), (680, 83429), (760, 74647), (1292, 43910), (1615, 35128), (2584, 21955), (3230, 17564), (4391, 12920), (6460, 8782)]