129513040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{52223}}^1$

素因数の和:52267

約数の個数: 40

約数和(自身を含む): 310837248

約数和(自身を除く): 181324208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 52223, 104446, 208892, 261115, 417784, 522230, 835568, 1044460, 1618913, 2088920, 3237826, 4177840, 6475652, 8094565, 12951304, 16189130, 25902608, 32378260, 64756520, 129513040]

約数ペア:

[(1, 129513040), (2, 64756520), (4, 32378260), (5, 25902608), (8, 16189130), (10, 12951304), (16, 8094565), (20, 6475652), (31, 4177840), (40, 3237826), (62, 2088920), (80, 1618913), (124, 1044460), (155, 835568), (248, 522230), (310, 417784), (496, 261115), (620, 208892), (1240, 104446), (2480, 52223)]