30736840

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2503}}^1$

素因数の和:2821

約数の個数: 32

約数和(自身を含む): 69410880

約数和(自身を除く): 38674040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 2503, 3070, 5006, 6140, 10012, 12280, 12515, 20024, 25030, 50060, 100120, 768421, 1536842, 3073684, 3842105, 6147368, 7684210, 15368420, 30736840]

約数ペア:

[(1, 30736840), (2, 15368420), (4, 7684210), (5, 6147368), (8, 3842105), (10, 3073684), (20, 1536842), (40, 768421), (307, 100120), (614, 50060), (1228, 25030), (1535, 20024), (2456, 12515), (2503, 12280), (3070, 10012), (5006, 6140)]