67609840

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2017}}^1$

素因数の和:2449

約数の個数: 40

約数和(自身を含む): 157646160

約数和(自身を除く): 90036320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 838, 1676, 2017, 2095, 3352, 4034, 4190, 6704, 8068, 8380, 10085, 16136, 16760, 20170, 32272, 33520, 40340, 80680, 161360, 845123, 1690246, 3380492, 4225615, 6760984, 8451230, 13521968, 16902460, 33804920, 67609840]

約数ペア:

[(1, 67609840), (2, 33804920), (4, 16902460), (5, 13521968), (8, 8451230), (10, 6760984), (16, 4225615), (20, 3380492), (40, 1690246), (80, 845123), (419, 161360), (838, 80680), (1676, 40340), (2017, 33520), (2095, 32272), (3352, 20170), (4034, 16760), (4190, 16136), (6704, 10085), (8068, 8380)]