207721120

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{11489}}^1$

素因数の和:11617

約数の個数: 48

約数和(自身を含む): 495127080

約数和(自身を除く): 287405960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 1130, 1808, 2260, 3616, 4520, 9040, 11489, 18080, 22978, 45956, 57445, 91912, 114890, 183824, 229780, 367648, 459560, 919120, 1298257, 1838240, 2596514, 5193028, 6491285, 10386056, 12982570, 20772112, 25965140, 41544224, 51930280, 103860560, 207721120]

約数ペア:

[(1, 207721120), (2, 103860560), (4, 51930280), (5, 41544224), (8, 25965140), (10, 20772112), (16, 12982570), (20, 10386056), (32, 6491285), (40, 5193028), (80, 2596514), (113, 1838240), (160, 1298257), (226, 919120), (452, 459560), (565, 367648), (904, 229780), (1130, 183824), (1808, 114890), (2260, 91912), (3616, 57445), (4520, 45956), (9040, 22978), (11489, 18080)]