79447940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27779}}^1$

素因数の和:27812

約数の個数: 48

約数和(自身を含む): 196015680

約数和(自身を除く): 116567740

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 27779, 55558, 111116, 138895, 277790, 305569, 361127, 555580, 611138, 722254, 1222276, 1444508, 1527845, 1805635, 3055690, 3611270, 3972397, 6111380, 7222540, 7944794, 15889588, 19861985, 39723970, 79447940]

約数ペア:

[(1, 79447940), (2, 39723970), (4, 19861985), (5, 15889588), (10, 7944794), (11, 7222540), (13, 6111380), (20, 3972397), (22, 3611270), (26, 3055690), (44, 1805635), (52, 1527845), (55, 1444508), (65, 1222276), (110, 722254), (130, 611138), (143, 555580), (220, 361127), (260, 305569), (286, 277790), (572, 138895), (715, 111116), (1430, 55558), (2860, 27779)]