31017880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40813}}^1$

素因数の和:40843

約数の個数: 32

約数和(自身を含む): 73465200

約数和(自身を除く): 42447320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 40813, 81626, 163252, 204065, 326504, 408130, 775447, 816260, 1550894, 1632520, 3101788, 3877235, 6203576, 7754470, 15508940, 31017880]

約数ペア:

[(1, 31017880), (2, 15508940), (4, 7754470), (5, 6203576), (8, 3877235), (10, 3101788), (19, 1632520), (20, 1550894), (38, 816260), (40, 775447), (76, 408130), (95, 326504), (152, 204065), (190, 163252), (380, 81626), (760, 40813)]