16560380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{919}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 37558080

約数和(自身を除く): 20997700

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 919, 1060, 1802, 1838, 3604, 3676, 4505, 4595, 9010, 9190, 15623, 18020, 18380, 31246, 48707, 62492, 78115, 97414, 156230, 194828, 243535, 312460, 487070, 828019, 974140, 1656038, 3312076, 4140095, 8280190, 16560380]

約数ペア:

[(1, 16560380), (2, 8280190), (4, 4140095), (5, 3312076), (10, 1656038), (17, 974140), (20, 828019), (34, 487070), (53, 312460), (68, 243535), (85, 194828), (106, 156230), (170, 97414), (212, 78115), (265, 62492), (340, 48707), (530, 31246), (901, 18380), (919, 18020), (1060, 15623), (1802, 9190), (1838, 9010), (3604, 4595), (3676, 4505)]