254118520

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{11743}}^1$

素因数の和:12295

約数の個数: 32

約数和(自身を含む): 572872320

約数和(自身を除く): 318753800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4328, 5410, 10820, 11743, 21640, 23486, 46972, 58715, 93944, 117430, 234860, 469720, 6352963, 12705926, 25411852, 31764815, 50823704, 63529630, 127059260, 254118520]

約数ペア:

[(1, 254118520), (2, 127059260), (4, 63529630), (5, 50823704), (8, 31764815), (10, 25411852), (20, 12705926), (40, 6352963), (541, 469720), (1082, 234860), (2164, 117430), (2705, 93944), (4328, 58715), (5410, 46972), (10820, 23486), (11743, 21640)]