8323640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16007}}^1$

素因数の和:16031

約数の個数: 32

約数和(自身を含む): 20170080

約数和(自身を除く): 11846440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16007, 32014, 64028, 80035, 128056, 160070, 208091, 320140, 416182, 640280, 832364, 1040455, 1664728, 2080910, 4161820, 8323640]

約数ペア:

[(1, 8323640), (2, 4161820), (4, 2080910), (5, 1664728), (8, 1040455), (10, 832364), (13, 640280), (20, 416182), (26, 320140), (40, 208091), (52, 160070), (65, 128056), (104, 80035), (130, 64028), (260, 32014), (520, 16007)]