1240565560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2385703}}^1$

素因数の和:2385727

約数の個数: 32

約数和(自身を含む): 3005987040

約数和(自身を除く): 1765421480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2385703, 4771406, 9542812, 11928515, 19085624, 23857030, 31014139, 47714060, 62028278, 95428120, 124056556, 155070695, 248113112, 310141390, 620282780, 1240565560]

約数ペア:

[(1, 1240565560), (2, 620282780), (4, 310141390), (5, 248113112), (8, 155070695), (10, 124056556), (13, 95428120), (20, 62028278), (26, 47714060), (40, 31014139), (52, 23857030), (65, 19085624), (104, 11928515), (130, 9542812), (260, 4771406), (520, 2385703)]