5355220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 12418560

約数和(自身を除く): 7063340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 479, 559, 860, 958, 1118, 1916, 2236, 2395, 2795, 4790, 5590, 6227, 9580, 11180, 12454, 20597, 24908, 31135, 41194, 62270, 82388, 102985, 124540, 205970, 267761, 411940, 535522, 1071044, 1338805, 2677610, 5355220]

約数ペア:

[(1, 5355220), (2, 2677610), (4, 1338805), (5, 1071044), (10, 535522), (13, 411940), (20, 267761), (26, 205970), (43, 124540), (52, 102985), (65, 82388), (86, 62270), (130, 41194), (172, 31135), (215, 24908), (260, 20597), (430, 12454), (479, 11180), (559, 9580), (860, 6227), (958, 5590), (1118, 4790), (1916, 2795), (2236, 2395)]