82101640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{907}}^1$

素因数の和:1022

約数の個数: 64

約数和(自身を含む): 193512960

約数和(自身を除く): 111411320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 124, 146, 155, 248, 292, 310, 365, 584, 620, 730, 907, 1240, 1460, 1814, 2263, 2920, 3628, 4526, 4535, 7256, 9052, 9070, 11315, 18104, 18140, 22630, 28117, 36280, 45260, 56234, 66211, 90520, 112468, 132422, 140585, 224936, 264844, 281170, 331055, 529688, 562340, 662110, 1124680, 1324220, 2052541, 2648440, 4105082, 8210164, 10262705, 16420328, 20525410, 41050820, 82101640]

約数ペア:

[(1, 82101640), (2, 41050820), (4, 20525410), (5, 16420328), (8, 10262705), (10, 8210164), (20, 4105082), (31, 2648440), (40, 2052541), (62, 1324220), (73, 1124680), (124, 662110), (146, 562340), (155, 529688), (248, 331055), (292, 281170), (310, 264844), (365, 224936), (584, 140585), (620, 132422), (730, 112468), (907, 90520), (1240, 66211), (1460, 56234), (1814, 45260), (2263, 36280), (2920, 28117), (3628, 22630), (4526, 18140), (4535, 18104), (7256, 11315), (9052, 9070)]