31144720

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5333}}^1$

素因数の和:5419

約数の個数: 40

約数和(自身を含む): 73417176

約数和(自身を除く): 42272456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5333, 5840, 10666, 21332, 26665, 42664, 53330, 85328, 106660, 213320, 389309, 426640, 778618, 1557236, 1946545, 3114472, 3893090, 6228944, 7786180, 15572360, 31144720]

約数ペア:

[(1, 31144720), (2, 15572360), (4, 7786180), (5, 6228944), (8, 3893090), (10, 3114472), (16, 1946545), (20, 1557236), (40, 778618), (73, 426640), (80, 389309), (146, 213320), (292, 106660), (365, 85328), (584, 53330), (730, 42664), (1168, 26665), (1460, 21332), (2920, 10666), (5333, 5840)]