128347700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{98729}}^1$

素因数の和:98756

約数の個数: 36

約数和(自身を含む): 299941740

約数和(自身を除く): 171594040

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 98729, 197458, 394916, 493645, 987290, 1283477, 1974580, 2468225, 2566954, 4936450, 5133908, 6417385, 9872900, 12834770, 25669540, 32086925, 64173850, 128347700]

約数ペア:

[(1, 128347700), (2, 64173850), (4, 32086925), (5, 25669540), (10, 12834770), (13, 9872900), (20, 6417385), (25, 5133908), (26, 4936450), (50, 2566954), (52, 2468225), (65, 1974580), (100, 1283477), (130, 987290), (260, 493645), (325, 394916), (650, 197458), (1300, 98729)]