39191620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{491}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 89103168

約数和(自身を除く): 49911548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 307, 491, 614, 982, 1228, 1535, 1964, 2455, 3070, 3991, 4910, 6140, 6383, 7982, 9820, 12766, 15964, 19955, 25532, 31915, 39910, 63830, 79820, 127660, 150737, 301474, 602948, 753685, 1507370, 1959581, 3014740, 3919162, 7838324, 9797905, 19595810, 39191620]

約数ペア:

[(1, 39191620), (2, 19595810), (4, 9797905), (5, 7838324), (10, 3919162), (13, 3014740), (20, 1959581), (26, 1507370), (52, 753685), (65, 602948), (130, 301474), (260, 150737), (307, 127660), (491, 79820), (614, 63830), (982, 39910), (1228, 31915), (1535, 25532), (1964, 19955), (2455, 15964), (3070, 12766), (3991, 9820), (4910, 7982), (6140, 6383)]