26845040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19739}}^1$

素因数の和:19769

約数の個数: 40

約数和(自身を含む): 66089520

約数和(自身を除く): 39244480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 19739, 39478, 78956, 98695, 157912, 197390, 315824, 335563, 394780, 671126, 789560, 1342252, 1579120, 1677815, 2684504, 3355630, 5369008, 6711260, 13422520, 26845040]

約数ペア:

[(1, 26845040), (2, 13422520), (4, 6711260), (5, 5369008), (8, 3355630), (10, 2684504), (16, 1677815), (17, 1579120), (20, 1342252), (34, 789560), (40, 671126), (68, 394780), (80, 335563), (85, 315824), (136, 197390), (170, 157912), (272, 98695), (340, 78956), (680, 39478), (1360, 19739)]