83572520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 194400000

約数和(自身を除く): 110827480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 79, 106, 158, 212, 265, 316, 395, 424, 499, 530, 632, 790, 998, 1060, 1580, 1996, 2120, 2495, 3160, 3992, 4187, 4990, 8374, 9980, 16748, 19960, 20935, 26447, 33496, 39421, 41870, 52894, 78842, 83740, 105788, 132235, 157684, 167480, 197105, 211576, 264470, 315368, 394210, 528940, 788420, 1057880, 1576840, 2089313, 4178626, 8357252, 10446565, 16714504, 20893130, 41786260, 83572520]

約数ペア:

[(1, 83572520), (2, 41786260), (4, 20893130), (5, 16714504), (8, 10446565), (10, 8357252), (20, 4178626), (40, 2089313), (53, 1576840), (79, 1057880), (106, 788420), (158, 528940), (212, 394210), (265, 315368), (316, 264470), (395, 211576), (424, 197105), (499, 167480), (530, 157684), (632, 132235), (790, 105788), (998, 83740), (1060, 78842), (1580, 52894), (1996, 41870), (2120, 39421), (2495, 33496), (3160, 26447), (3992, 20935), (4187, 19960), (4990, 16748), (8374, 9980)]