42954512

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1999}}^1$

素因数の和:2103

約数の個数: 40

約数和(自身を含む): 89280000

約数和(自身を除く): 46325488

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 79, 136, 158, 272, 316, 632, 1264, 1343, 1999, 2686, 3998, 5372, 7996, 10744, 15992, 21488, 31984, 33983, 67966, 135932, 157921, 271864, 315842, 543728, 631684, 1263368, 2526736, 2684657, 5369314, 10738628, 21477256, 42954512]

約数ペア:

[(1, 42954512), (2, 21477256), (4, 10738628), (8, 5369314), (16, 2684657), (17, 2526736), (34, 1263368), (68, 631684), (79, 543728), (136, 315842), (158, 271864), (272, 157921), (316, 135932), (632, 67966), (1264, 33983), (1343, 31984), (1999, 21488), (2686, 15992), (3998, 10744), (5372, 7996)]