42639280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{18379}}^1$

素因数の和:18421

約数の個数: 40

約数和(自身を含む): 102560400

約数和(自身を除く): 59921120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 18379, 36758, 73516, 91895, 147032, 183790, 294064, 367580, 532991, 735160, 1065982, 1470320, 2131964, 2664955, 4263928, 5329910, 8527856, 10659820, 21319640, 42639280]

約数ペア:

[(1, 42639280), (2, 21319640), (4, 10659820), (5, 8527856), (8, 5329910), (10, 4263928), (16, 2664955), (20, 2131964), (29, 1470320), (40, 1065982), (58, 735160), (80, 532991), (116, 367580), (145, 294064), (232, 183790), (290, 147032), (464, 91895), (580, 73516), (1160, 36758), (2320, 18379)]