80957968

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55603}}^1$

素因数の和:55631

約数の個数: 40

約数和(自身を含む): 193057088

約数和(自身を除く): 112099120

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 55603, 111206, 222412, 389221, 444824, 722839, 778442, 889648, 1445678, 1556884, 2891356, 3113768, 5059873, 5782712, 6227536, 10119746, 11565424, 20239492, 40478984, 80957968]

約数ペア:

[(1, 80957968), (2, 40478984), (4, 20239492), (7, 11565424), (8, 10119746), (13, 6227536), (14, 5782712), (16, 5059873), (26, 3113768), (28, 2891356), (52, 1556884), (56, 1445678), (91, 889648), (104, 778442), (112, 722839), (182, 444824), (208, 389221), (364, 222412), (728, 111206), (1456, 55603)]