68488040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{41761}}^1$

素因数の和:41813

約数の個数: 32

約数和(自身を含む): 157860360

約数和(自身を除く): 89372320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 41761, 83522, 167044, 208805, 334088, 417610, 835220, 1670440, 1712201, 3424402, 6848804, 8561005, 13697608, 17122010, 34244020, 68488040]

約数ペア:

[(1, 68488040), (2, 34244020), (4, 17122010), (5, 13697608), (8, 8561005), (10, 6848804), (20, 3424402), (40, 1712201), (41, 1670440), (82, 835220), (164, 417610), (205, 334088), (328, 208805), (410, 167044), (820, 83522), (1640, 41761)]