8839940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 20032320

約数和(自身を除く): 11192380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 541, 817, 860, 1082, 1634, 2164, 2705, 3268, 4085, 5410, 8170, 10279, 10820, 16340, 20558, 23263, 41116, 46526, 51395, 93052, 102790, 116315, 205580, 232630, 441997, 465260, 883994, 1767988, 2209985, 4419970, 8839940]

約数ペア:

[(1, 8839940), (2, 4419970), (4, 2209985), (5, 1767988), (10, 883994), (19, 465260), (20, 441997), (38, 232630), (43, 205580), (76, 116315), (86, 102790), (95, 93052), (172, 51395), (190, 46526), (215, 41116), (380, 23263), (430, 20558), (541, 16340), (817, 10820), (860, 10279), (1082, 8170), (1634, 5410), (2164, 4085), (2705, 3268)]