2080759928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{645397}}^1$

素因数の和:645447

約数の個数: 32

約数和(自身を含む): 4337074560

約数和(自身を除く): 2256314632

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 645397, 1290794, 2581588, 5163176, 8390161, 16780322, 20007307, 33560644, 40014614, 67121288, 80029228, 160058456, 260094991, 520189982, 1040379964, 2080759928]

約数ペア:

[(1, 2080759928), (2, 1040379964), (4, 520189982), (8, 260094991), (13, 160058456), (26, 80029228), (31, 67121288), (52, 40014614), (62, 33560644), (104, 20007307), (124, 16780322), (248, 8390161), (403, 5163176), (806, 2581588), (1612, 1290794), (3224, 645397)]