79870460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{379}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 172942560

約数和(自身を除く): 93072100

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 257, 379, 410, 514, 758, 820, 1028, 1285, 1516, 1895, 2570, 3790, 5140, 7580, 10537, 15539, 21074, 31078, 42148, 52685, 62156, 77695, 97403, 105370, 155390, 194806, 210740, 310780, 389612, 487015, 974030, 1948060, 3993523, 7987046, 15974092, 19967615, 39935230, 79870460]

約数ペア:

[(1, 79870460), (2, 39935230), (4, 19967615), (5, 15974092), (10, 7987046), (20, 3993523), (41, 1948060), (82, 974030), (164, 487015), (205, 389612), (257, 310780), (379, 210740), (410, 194806), (514, 155390), (758, 105370), (820, 97403), (1028, 77695), (1285, 62156), (1516, 52685), (1895, 42148), (2570, 31078), (3790, 21074), (5140, 15539), (7580, 10537)]