158922920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{305621}}^1$

素因数の和:305645

約数の個数: 32

約数和(自身を含む): 385083720

約数和(自身を除く): 226160800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 305621, 611242, 1222484, 1528105, 2444968, 3056210, 3973073, 6112420, 7946146, 12224840, 15892292, 19865365, 31784584, 39730730, 79461460, 158922920]

約数ペア:

[(1, 158922920), (2, 79461460), (4, 39730730), (5, 31784584), (8, 19865365), (10, 15892292), (13, 12224840), (20, 7946146), (26, 6112420), (40, 3973073), (52, 3056210), (65, 2444968), (104, 1528105), (130, 1222484), (260, 611242), (520, 305621)]