80427952

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{26881}}^1$

素因数の和:26917

約数の個数: 40

約数和(自身を含む): 180001872

約数和(自身を除く): 99573920

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 26881, 53762, 107524, 215048, 295691, 430096, 456977, 591382, 913954, 1182764, 1827908, 2365528, 3655816, 4731056, 5026747, 7311632, 10053494, 20106988, 40213976, 80427952]

約数ペア:

[(1, 80427952), (2, 40213976), (4, 20106988), (8, 10053494), (11, 7311632), (16, 5026747), (17, 4731056), (22, 3655816), (34, 2365528), (44, 1827908), (68, 1182764), (88, 913954), (136, 591382), (176, 456977), (187, 430096), (272, 295691), (374, 215048), (748, 107524), (1496, 53762), (2992, 26881)]