1994920880

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{103471}}^1$

素因数の和:103725

約数の個数: 40

約数和(自身を含む): 4657481664

約数和(自身を除く): 2662560784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2410, 3856, 4820, 9640, 19280, 103471, 206942, 413884, 517355, 827768, 1034710, 1655536, 2069420, 4138840, 8277680, 24936511, 49873022, 99746044, 124682555, 199492088, 249365110, 398984176, 498730220, 997460440, 1994920880]

約数ペア:

[(1, 1994920880), (2, 997460440), (4, 498730220), (5, 398984176), (8, 249365110), (10, 199492088), (16, 124682555), (20, 99746044), (40, 49873022), (80, 24936511), (241, 8277680), (482, 4138840), (964, 2069420), (1205, 1655536), (1928, 1034710), (2410, 827768), (3856, 517355), (4820, 413884), (9640, 206942), (19280, 103471)]