65651120

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5227}}^1$

素因数の和:5397

約数の個数: 40

約数和(自身を含む): 153640464

約数和(自身を除く): 87989344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 5227, 6280, 10454, 12560, 20908, 26135, 41816, 52270, 83632, 104540, 209080, 418160, 820639, 1641278, 3282556, 4103195, 6565112, 8206390, 13130224, 16412780, 32825560, 65651120]

約数ペア:

[(1, 65651120), (2, 32825560), (4, 16412780), (5, 13130224), (8, 8206390), (10, 6565112), (16, 4103195), (20, 3282556), (40, 1641278), (80, 820639), (157, 418160), (314, 209080), (628, 104540), (785, 83632), (1256, 52270), (1570, 41816), (2512, 26135), (3140, 20908), (5227, 12560), (6280, 10454)]