423214840

素因数分解:

$2^3\times 5^1\times {\mathrm{2039}}^1\times {\mathrm{5189}}^1$

素因数の和:7239

約数の個数: 32

約数和(自身を含む): 952884000

約数和(自身を除く): 529669160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2039, 4078, 5189, 8156, 10195, 10378, 16312, 20390, 20756, 25945, 40780, 41512, 51890, 81560, 103780, 207560, 10580371, 21160742, 42321484, 52901855, 84642968, 105803710, 211607420, 423214840]

約数ペア:

[(1, 423214840), (2, 211607420), (4, 105803710), (5, 84642968), (8, 52901855), (10, 42321484), (20, 21160742), (40, 10580371), (2039, 207560), (4078, 103780), (5189, 81560), (8156, 51890), (10195, 41512), (10378, 40780), (16312, 25945), (20390, 20756)]