8042860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 20396880

約数和(自身を除く): 12354020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 283, 290, 406, 490, 566, 580, 812, 980, 1015, 1132, 1415, 1421, 1981, 2030, 2830, 2842, 3962, 4060, 5660, 5684, 7105, 7924, 8207, 9905, 13867, 14210, 16414, 19810, 27734, 28420, 32828, 39620, 41035, 55468, 57449, 69335, 82070, 114898, 138670, 164140, 229796, 277340, 287245, 402143, 574490, 804286, 1148980, 1608572, 2010715, 4021430, 8042860]

約数ペア:

[(1, 8042860), (2, 4021430), (4, 2010715), (5, 1608572), (7, 1148980), (10, 804286), (14, 574490), (20, 402143), (28, 287245), (29, 277340), (35, 229796), (49, 164140), (58, 138670), (70, 114898), (98, 82070), (116, 69335), (140, 57449), (145, 55468), (196, 41035), (203, 39620), (245, 32828), (283, 28420), (290, 27734), (406, 19810), (490, 16414), (566, 14210), (580, 13867), (812, 9905), (980, 8207), (1015, 7924), (1132, 7105), (1415, 5684), (1421, 5660), (1981, 4060), (2030, 3962), (2830, 2842)]