139132240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{133781}}^1$

素因数の和:133807

約数の個数: 40

約数和(自身を含む): 348368328

約数和(自身を除く): 209236088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 133781, 267562, 535124, 668905, 1070248, 1337810, 1739153, 2140496, 2675620, 3478306, 5351240, 6956612, 8695765, 10702480, 13913224, 17391530, 27826448, 34783060, 69566120, 139132240]

約数ペア:

[(1, 139132240), (2, 69566120), (4, 34783060), (5, 27826448), (8, 17391530), (10, 13913224), (13, 10702480), (16, 8695765), (20, 6956612), (26, 5351240), (40, 3478306), (52, 2675620), (65, 2140496), (80, 1739153), (104, 1337810), (130, 1070248), (208, 668905), (260, 535124), (520, 267562), (1040, 133781)]