200745320

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{63527}}^1$

素因数の和:63617

約数の個数: 32

約数和(自身を含む): 457401600

約数和(自身を除く): 256656280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 63527, 127054, 254108, 317635, 508216, 635270, 1270540, 2541080, 5018633, 10037266, 20074532, 25093165, 40149064, 50186330, 100372660, 200745320]

約数ペア:

[(1, 200745320), (2, 100372660), (4, 50186330), (5, 40149064), (8, 25093165), (10, 20074532), (20, 10037266), (40, 5018633), (79, 2541080), (158, 1270540), (316, 635270), (395, 508216), (632, 317635), (790, 254108), (1580, 127054), (3160, 63527)]