40378390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1181}}^1$

素因数の和:1464

約数の個数: 32

約数和(自身を含む): 78636096

約数和(自身を除く): 38257706

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 263, 526, 1181, 1315, 2362, 2630, 3419, 5905, 6838, 11810, 15353, 17095, 30706, 34190, 76765, 153530, 310603, 621206, 1553015, 3106030, 4037839, 8075678, 20189195, 40378390]

約数ペア:

[(1, 40378390), (2, 20189195), (5, 8075678), (10, 4037839), (13, 3106030), (26, 1553015), (65, 621206), (130, 310603), (263, 153530), (526, 76765), (1181, 34190), (1315, 30706), (2362, 17095), (2630, 15353), (3419, 11810), (5905, 6838)]