31286580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40111}}^1$

素因数の和:40136

約数の個数: 48

約数和(自身を含む): 94343424

約数和(自身を除く): 63056844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 40111, 80222, 120333, 160444, 200555, 240666, 401110, 481332, 521443, 601665, 802220, 1042886, 1203330, 1564329, 2085772, 2406660, 2607215, 3128658, 5214430, 6257316, 7821645, 10428860, 15643290, 31286580]

約数ペア:

[(1, 31286580), (2, 15643290), (3, 10428860), (4, 7821645), (5, 6257316), (6, 5214430), (10, 3128658), (12, 2607215), (13, 2406660), (15, 2085772), (20, 1564329), (26, 1203330), (30, 1042886), (39, 802220), (52, 601665), (60, 521443), (65, 481332), (78, 401110), (130, 240666), (156, 200555), (195, 160444), (260, 120333), (390, 80222), (780, 40111)]