100203820

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{16007}}^1$

素因数の和:16329

約数の個数: 24

約数和(自身を含む): 211113504

約数和(自身を除く): 110909684

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 16007, 32014, 64028, 80035, 160070, 320140, 5010191, 10020382, 20040764, 25050955, 50101910, 100203820]

約数ペア:

[(1, 100203820), (2, 50101910), (4, 25050955), (5, 20040764), (10, 10020382), (20, 5010191), (313, 320140), (626, 160070), (1252, 80035), (1565, 64028), (3130, 32014), (6260, 16007)]