27979900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21523}}^1$

素因数の和:21550

約数の個数: 36

約数和(自身を含む): 65389912

約数和(自身を除く): 37410012

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 21523, 43046, 86092, 107615, 215230, 279799, 430460, 538075, 559598, 1076150, 1119196, 1398995, 2152300, 2797990, 5595980, 6994975, 13989950, 27979900]

約数ペア:

[(1, 27979900), (2, 13989950), (4, 6994975), (5, 5595980), (10, 2797990), (13, 2152300), (20, 1398995), (25, 1119196), (26, 1076150), (50, 559598), (52, 538075), (65, 430460), (100, 279799), (130, 215230), (260, 107615), (325, 86092), (650, 43046), (1300, 21523)]