39904160

素因数分解:

$2^5\times 5^1\times {\mathrm{461}}^1\times {\mathrm{541}}^1$

素因数の和:1017

約数の個数: 48

約数和(自身を含む): 94652712

約数和(自身を除く): 54748552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 461, 541, 922, 1082, 1844, 2164, 2305, 2705, 3688, 4328, 4610, 5410, 7376, 8656, 9220, 10820, 14752, 17312, 18440, 21640, 36880, 43280, 73760, 86560, 249401, 498802, 997604, 1247005, 1995208, 2494010, 3990416, 4988020, 7980832, 9976040, 19952080, 39904160]

約数ペア:

[(1, 39904160), (2, 19952080), (4, 9976040), (5, 7980832), (8, 4988020), (10, 3990416), (16, 2494010), (20, 1995208), (32, 1247005), (40, 997604), (80, 498802), (160, 249401), (461, 86560), (541, 73760), (922, 43280), (1082, 36880), (1844, 21640), (2164, 18440), (2305, 17312), (2705, 14752), (3688, 10820), (4328, 9220), (4610, 8656), (5410, 7376)]