71697040

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1609}}^1$

素因数の和:2179

約数の個数: 40

約数和(自身を含む): 167098680

約数和(自身を除く): 95401640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 1609, 2228, 2785, 3218, 4456, 5570, 6436, 8045, 8912, 11140, 12872, 16090, 22280, 25744, 32180, 44560, 64360, 128720, 896213, 1792426, 3584852, 4481065, 7169704, 8962130, 14339408, 17924260, 35848520, 71697040]

約数ペア:

[(1, 71697040), (2, 35848520), (4, 17924260), (5, 14339408), (8, 8962130), (10, 7169704), (16, 4481065), (20, 3584852), (40, 1792426), (80, 896213), (557, 128720), (1114, 64360), (1609, 44560), (2228, 32180), (2785, 25744), (3218, 22280), (4456, 16090), (5570, 12872), (6436, 11140), (8045, 8912)]