42687710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 87393600

約数和(自身を除く): 44705890

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 67, 130, 134, 145, 169, 290, 335, 338, 377, 670, 754, 845, 871, 1690, 1742, 1885, 1943, 2197, 3770, 3886, 4355, 4394, 4901, 8710, 9715, 9802, 10985, 11323, 19430, 21970, 22646, 24505, 25259, 49010, 50518, 56615, 63713, 113230, 126295, 127426, 147199, 252590, 294398, 318565, 328367, 637130, 656734, 735995, 1471990, 1641835, 3283670, 4268771, 8537542, 21343855, 42687710]

約数ペア:

[(1, 42687710), (2, 21343855), (5, 8537542), (10, 4268771), (13, 3283670), (26, 1641835), (29, 1471990), (58, 735995), (65, 656734), (67, 637130), (130, 328367), (134, 318565), (145, 294398), (169, 252590), (290, 147199), (335, 127426), (338, 126295), (377, 113230), (670, 63713), (754, 56615), (845, 50518), (871, 49010), (1690, 25259), (1742, 24505), (1885, 22646), (1943, 21970), (2197, 19430), (3770, 11323), (3886, 10985), (4355, 9802), (4394, 9715), (4901, 8710)]