17255996840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1117}}^1\times {\mathrm{20327}}^1$

素因数の和:21474

約数の個数: 64

約数和(自身を含む): 40908067200

約数和(自身を除く): 23652070360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1117, 2234, 4468, 5585, 8936, 11170, 20327, 21223, 22340, 40654, 42446, 44680, 81308, 84892, 101635, 106115, 162616, 169784, 203270, 212230, 386213, 406540, 424460, 772426, 813080, 848920, 1544852, 1931065, 3089704, 3862130, 7724260, 15448520, 22705259, 45410518, 90821036, 113526295, 181642072, 227052590, 431399921, 454105180, 862799842, 908210360, 1725599684, 2156999605, 3451199368, 4313999210, 8627998420, 17255996840]

約数ペア:

[(1, 17255996840), (2, 8627998420), (4, 4313999210), (5, 3451199368), (8, 2156999605), (10, 1725599684), (19, 908210360), (20, 862799842), (38, 454105180), (40, 431399921), (76, 227052590), (95, 181642072), (152, 113526295), (190, 90821036), (380, 45410518), (760, 22705259), (1117, 15448520), (2234, 7724260), (4468, 3862130), (5585, 3089704), (8936, 1931065), (11170, 1544852), (20327, 848920), (21223, 813080), (22340, 772426), (40654, 424460), (42446, 406540), (44680, 386213), (81308, 212230), (84892, 203270), (101635, 169784), (106115, 162616)]