165604960

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7901}}^1$

素因数の和:8047

約数の個数: 48

約数和(自身を含む): 394278192

約数和(自身を除く): 228673232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 524, 655, 1048, 1310, 2096, 2620, 4192, 5240, 7901, 10480, 15802, 20960, 31604, 39505, 63208, 79010, 126416, 158020, 252832, 316040, 632080, 1035031, 1264160, 2070062, 4140124, 5175155, 8280248, 10350310, 16560496, 20700620, 33120992, 41401240, 82802480, 165604960]

約数ペア:

[(1, 165604960), (2, 82802480), (4, 41401240), (5, 33120992), (8, 20700620), (10, 16560496), (16, 10350310), (20, 8280248), (32, 5175155), (40, 4140124), (80, 2070062), (131, 1264160), (160, 1035031), (262, 632080), (524, 316040), (655, 252832), (1048, 158020), (1310, 126416), (2096, 79010), (2620, 63208), (4192, 39505), (5240, 31604), (7901, 20960), (10480, 15802)]