78547760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42689}}^1$

素因数の和:42725

約数の個数: 40

約数和(自身を含む): 190568160

約数和(自身を除く): 112020400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 42689, 85378, 170756, 213445, 341512, 426890, 683024, 853780, 981847, 1707560, 1963694, 3415120, 3927388, 4909235, 7854776, 9818470, 15709552, 19636940, 39273880, 78547760]

約数ペア:

[(1, 78547760), (2, 39273880), (4, 19636940), (5, 15709552), (8, 9818470), (10, 7854776), (16, 4909235), (20, 3927388), (23, 3415120), (40, 1963694), (46, 1707560), (80, 981847), (92, 853780), (115, 683024), (184, 426890), (230, 341512), (368, 213445), (460, 170756), (920, 85378), (1840, 42689)]