13211240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1627}}^1$

素因数の和:1674

約数の個数: 64

約数和(自身を含む): 35164800

約数和(自身を除く): 21953560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 1627, 2030, 3254, 4060, 6508, 8120, 8135, 11389, 13016, 16270, 22778, 32540, 45556, 47183, 56945, 65080, 91112, 94366, 113890, 188732, 227780, 235915, 330281, 377464, 455560, 471830, 660562, 943660, 1321124, 1651405, 1887320, 2642248, 3302810, 6605620, 13211240]

約数ペア:

[(1, 13211240), (2, 6605620), (4, 3302810), (5, 2642248), (7, 1887320), (8, 1651405), (10, 1321124), (14, 943660), (20, 660562), (28, 471830), (29, 455560), (35, 377464), (40, 330281), (56, 235915), (58, 227780), (70, 188732), (116, 113890), (140, 94366), (145, 91112), (203, 65080), (232, 56945), (280, 47183), (290, 45556), (406, 32540), (580, 22778), (812, 16270), (1015, 13016), (1160, 11389), (1624, 8135), (1627, 8120), (2030, 6508), (3254, 4060)]