31376560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23071}}^1$

素因数の和:23101

約数の個数: 40

約数和(自身を含む): 77245056

約数和(自身を除く): 45868496

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 23071, 46142, 92284, 115355, 184568, 230710, 369136, 392207, 461420, 784414, 922840, 1568828, 1845680, 1961035, 3137656, 3922070, 6275312, 7844140, 15688280, 31376560]

約数ペア:

[(1, 31376560), (2, 15688280), (4, 7844140), (5, 6275312), (8, 3922070), (10, 3137656), (16, 1961035), (17, 1845680), (20, 1568828), (34, 922840), (40, 784414), (68, 461420), (80, 392207), (85, 369136), (136, 230710), (170, 184568), (272, 115355), (340, 92284), (680, 46142), (1360, 23071)]