899678320

素因数分解:

$2^4\times 5^1\times {\mathrm{2503}}^1\times {\mathrm{4493}}^1$

素因数の和:7009

約数の個数: 40

約数和(自身を含む): 2093053536

約数和(自身を除く): 1193375216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2503, 4493, 5006, 8986, 10012, 12515, 17972, 20024, 22465, 25030, 35944, 40048, 44930, 50060, 71888, 89860, 100120, 179720, 200240, 359440, 11245979, 22491958, 44983916, 56229895, 89967832, 112459790, 179935664, 224919580, 449839160, 899678320]

約数ペア:

[(1, 899678320), (2, 449839160), (4, 224919580), (5, 179935664), (8, 112459790), (10, 89967832), (16, 56229895), (20, 44983916), (40, 22491958), (80, 11245979), (2503, 359440), (4493, 200240), (5006, 179720), (8986, 100120), (10012, 89860), (12515, 71888), (17972, 50060), (20024, 44930), (22465, 40048), (25030, 35944)]