200720110

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{51599}}^1$

素因数の和:51995

約数の個数: 16

約数和(自身を含む): 362232000

約数和(自身を除く): 161511890

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 51599, 103198, 257995, 515990, 20072011, 40144022, 100360055, 200720110]

約数ペア:

[(1, 200720110), (2, 100360055), (5, 40144022), (10, 20072011), (389, 515990), (778, 257995), (1945, 103198), (3890, 51599)]