40476280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77839}}^1$

素因数の和:77863

約数の個数: 32

約数和(自身を含む): 98078400

約数和(自身を除く): 57602120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 77839, 155678, 311356, 389195, 622712, 778390, 1011907, 1556780, 2023814, 3113560, 4047628, 5059535, 8095256, 10119070, 20238140, 40476280]

約数ペア:

[(1, 40476280), (2, 20238140), (4, 10119070), (5, 8095256), (8, 5059535), (10, 4047628), (13, 3113560), (20, 2023814), (26, 1556780), (40, 1011907), (52, 778390), (65, 622712), (104, 389195), (130, 311356), (260, 155678), (520, 77839)]