3505840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3371}}^1$

素因数の和:3397

約数の個数: 40

約数和(自身を含む): 8780688

約数和(自身を除く): 5274848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 3371, 6742, 13484, 16855, 26968, 33710, 43823, 53936, 67420, 87646, 134840, 175292, 219115, 269680, 350584, 438230, 701168, 876460, 1752920, 3505840]

約数ペア:

[(1, 3505840), (2, 1752920), (4, 876460), (5, 701168), (8, 438230), (10, 350584), (13, 269680), (16, 219115), (20, 175292), (26, 134840), (40, 87646), (52, 67420), (65, 53936), (80, 43823), (104, 33710), (130, 26968), (208, 16855), (260, 13484), (520, 6742), (1040, 3371)]