448960520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{108971}}^1$

素因数の和:109085

約数の個数: 32

約数和(自身を含む): 1019977920

約数和(自身を除く): 571017400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 108971, 217942, 435884, 544855, 871768, 1089710, 2179420, 4358840, 11224013, 22448026, 44896052, 56120065, 89792104, 112240130, 224480260, 448960520]

約数ペア:

[(1, 448960520), (2, 224480260), (4, 112240130), (5, 89792104), (8, 56120065), (10, 44896052), (20, 22448026), (40, 11224013), (103, 4358840), (206, 2179420), (412, 1089710), (515, 871768), (824, 544855), (1030, 435884), (2060, 217942), (4120, 108971)]