158657980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{32117}}^1$

素因数の和:32158

約数の個数: 48

約数和(自身を含む): 377707680

約数和(自身を除く): 219049700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 32117, 64234, 128468, 160585, 321170, 417521, 610223, 642340, 835042, 1220446, 1670084, 2087605, 2440892, 3051115, 4175210, 6102230, 7932899, 8350420, 12204460, 15865798, 31731596, 39664495, 79328990, 158657980]

約数ペア:

[(1, 158657980), (2, 79328990), (4, 39664495), (5, 31731596), (10, 15865798), (13, 12204460), (19, 8350420), (20, 7932899), (26, 6102230), (38, 4175210), (52, 3051115), (65, 2440892), (76, 2087605), (95, 1670084), (130, 1220446), (190, 835042), (247, 642340), (260, 610223), (380, 417521), (494, 321170), (988, 160585), (1235, 128468), (2470, 64234), (4940, 32117)]