1977040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1901}}^1$

素因数の和:1927

約数の個数: 40

約数和(自身を含む): 4952808

約数和(自身を除く): 2975768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1901, 3802, 7604, 9505, 15208, 19010, 24713, 30416, 38020, 49426, 76040, 98852, 123565, 152080, 197704, 247130, 395408, 494260, 988520, 1977040]

約数ペア:

[(1, 1977040), (2, 988520), (4, 494260), (5, 395408), (8, 247130), (10, 197704), (13, 152080), (16, 123565), (20, 98852), (26, 76040), (40, 49426), (52, 38020), (65, 30416), (80, 24713), (104, 19010), (130, 15208), (208, 9505), (260, 7604), (520, 3802), (1040, 1901)]