100392080

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{7993}}^1$

素因数の和:8163

約数の個数: 40

約数和(自身を含む): 234927672

約数和(自身を除く): 134535592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 7993, 12560, 15986, 31972, 39965, 63944, 79930, 127888, 159860, 319720, 639440, 1254901, 2509802, 5019604, 6274505, 10039208, 12549010, 20078416, 25098020, 50196040, 100392080]

約数ペア:

[(1, 100392080), (2, 50196040), (4, 25098020), (5, 20078416), (8, 12549010), (10, 10039208), (16, 6274505), (20, 5019604), (40, 2509802), (80, 1254901), (157, 639440), (314, 319720), (628, 159860), (785, 127888), (1256, 79930), (1570, 63944), (2512, 39965), (3140, 31972), (6280, 15986), (7993, 12560)]