2161120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1039}}^1$

素因数の和:1067

約数の個数: 48

約数和(自身を含む): 5503680

約数和(自身を除く): 3342560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1039, 1040, 2078, 2080, 4156, 5195, 8312, 10390, 13507, 16624, 20780, 27014, 33248, 41560, 54028, 67535, 83120, 108056, 135070, 166240, 216112, 270140, 432224, 540280, 1080560, 2161120]

約数ペア:

[(1, 2161120), (2, 1080560), (4, 540280), (5, 432224), (8, 270140), (10, 216112), (13, 166240), (16, 135070), (20, 108056), (26, 83120), (32, 67535), (40, 54028), (52, 41560), (65, 33248), (80, 27014), (104, 20780), (130, 16624), (160, 13507), (208, 10390), (260, 8312), (416, 5195), (520, 4156), (1039, 2080), (1040, 2078)]