202220720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{194443}}^1$

素因数の和:194469

約数の個数: 40

約数和(自身を含む): 506332176

約数和(自身を除く): 304111456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 194443, 388886, 777772, 972215, 1555544, 1944430, 2527759, 3111088, 3888860, 5055518, 7777720, 10111036, 12638795, 15555440, 20222072, 25277590, 40444144, 50555180, 101110360, 202220720]

約数ペア:

[(1, 202220720), (2, 101110360), (4, 50555180), (5, 40444144), (8, 25277590), (10, 20222072), (13, 15555440), (16, 12638795), (20, 10111036), (26, 7777720), (40, 5055518), (52, 3888860), (65, 3111088), (80, 2527759), (104, 1944430), (130, 1555544), (208, 972215), (260, 777772), (520, 388886), (1040, 194443)]