68897560

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{5503}}^1$

素因数の和:5827

約数の個数: 32

約数和(自身を含む): 155543040

約数和(自身を除く): 86645480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 5503, 6260, 11006, 12520, 22012, 27515, 44024, 55030, 110060, 220120, 1722439, 3444878, 6889756, 8612195, 13779512, 17224390, 34448780, 68897560]

約数ペア:

[(1, 68897560), (2, 34448780), (4, 17224390), (5, 13779512), (8, 8612195), (10, 6889756), (20, 3444878), (40, 1722439), (313, 220120), (626, 110060), (1252, 55030), (1565, 44024), (2504, 27515), (3130, 22012), (5503, 12520), (6260, 11006)]