84065680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61813}}^1$

素因数の和:61843

約数の個数: 40

約数和(自身を含む): 206953272

約数和(自身を除く): 122887592

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 61813, 123626, 247252, 309065, 494504, 618130, 989008, 1050821, 1236260, 2101642, 2472520, 4203284, 4945040, 5254105, 8406568, 10508210, 16813136, 21016420, 42032840, 84065680]

約数ペア:

[(1, 84065680), (2, 42032840), (4, 21016420), (5, 16813136), (8, 10508210), (10, 8406568), (16, 5254105), (17, 4945040), (20, 4203284), (34, 2472520), (40, 2101642), (68, 1236260), (80, 1050821), (85, 989008), (136, 618130), (170, 494504), (272, 309065), (340, 247252), (680, 123626), (1360, 61813)]