40895120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{709}}^1$

素因数の和:832

約数の個数: 80

約数和(自身を含む): 109873920

約数和(自身を除く): 68978800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 280, 412, 515, 560, 709, 721, 824, 1030, 1418, 1442, 1648, 2060, 2836, 2884, 3545, 3605, 4120, 4963, 5672, 5768, 7090, 7210, 8240, 9926, 11344, 11536, 14180, 14420, 19852, 24815, 28360, 28840, 39704, 49630, 56720, 57680, 73027, 79408, 99260, 146054, 198520, 292108, 365135, 397040, 511189, 584216, 730270, 1022378, 1168432, 1460540, 2044756, 2555945, 2921080, 4089512, 5111890, 5842160, 8179024, 10223780, 20447560, 40895120]

約数ペア:

[(1, 40895120), (2, 20447560), (4, 10223780), (5, 8179024), (7, 5842160), (8, 5111890), (10, 4089512), (14, 2921080), (16, 2555945), (20, 2044756), (28, 1460540), (35, 1168432), (40, 1022378), (56, 730270), (70, 584216), (80, 511189), (103, 397040), (112, 365135), (140, 292108), (206, 198520), (280, 146054), (412, 99260), (515, 79408), (560, 73027), (709, 57680), (721, 56720), (824, 49630), (1030, 39704), (1418, 28840), (1442, 28360), (1648, 24815), (2060, 19852), (2836, 14420), (2884, 14180), (3545, 11536), (3605, 11344), (4120, 9926), (4963, 8240), (5672, 7210), (5768, 7090)]