27783160

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 66290400

約数和(自身を除く): 38507240

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 43, 58, 86, 116, 145, 172, 215, 232, 290, 344, 430, 557, 580, 860, 1114, 1160, 1247, 1720, 2228, 2494, 2785, 4456, 4988, 5570, 6235, 9976, 11140, 12470, 16153, 22280, 23951, 24940, 32306, 47902, 49880, 64612, 80765, 95804, 119755, 129224, 161530, 191608, 239510, 323060, 479020, 646120, 694579, 958040, 1389158, 2778316, 3472895, 5556632, 6945790, 13891580, 27783160]

約数ペア:

[(1, 27783160), (2, 13891580), (4, 6945790), (5, 5556632), (8, 3472895), (10, 2778316), (20, 1389158), (29, 958040), (40, 694579), (43, 646120), (58, 479020), (86, 323060), (116, 239510), (145, 191608), (172, 161530), (215, 129224), (232, 119755), (290, 95804), (344, 80765), (430, 64612), (557, 49880), (580, 47902), (860, 32306), (1114, 24940), (1160, 23951), (1247, 22280), (1720, 16153), (2228, 12470), (2494, 11140), (2785, 9976), (4456, 6235), (4988, 5570)]