157882520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{38321}}^1$

素因数の和:38435

約数の個数: 32

約数和(自身を含む): 358693920

約数和(自身を除く): 200811400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 38321, 76642, 153284, 191605, 306568, 383210, 766420, 1532840, 3947063, 7894126, 15788252, 19735315, 31576504, 39470630, 78941260, 157882520]

約数ペア:

[(1, 157882520), (2, 78941260), (4, 39470630), (5, 31576504), (8, 19735315), (10, 15788252), (20, 7894126), (40, 3947063), (103, 1532840), (206, 766420), (412, 383210), (515, 306568), (824, 191605), (1030, 153284), (2060, 76642), (4120, 38321)]