78897880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103813}}^1$

素因数の和:103843

約数の個数: 32

約数和(自身を含む): 186865200

約数和(自身を除く): 107967320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 103813, 207626, 415252, 519065, 830504, 1038130, 1972447, 2076260, 3944894, 4152520, 7889788, 9862235, 15779576, 19724470, 39448940, 78897880]

約数ペア:

[(1, 78897880), (2, 39448940), (4, 19724470), (5, 15779576), (8, 9862235), (10, 7889788), (19, 4152520), (20, 3944894), (38, 2076260), (40, 1972447), (76, 1038130), (95, 830504), (152, 519065), (190, 415252), (380, 207626), (760, 103813)]