28323100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21787}}^1$

素因数の和:21814

約数の個数: 36

約数和(自身を含む): 66191944

約数和(自身を除く): 37868844

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 21787, 43574, 87148, 108935, 217870, 283231, 435740, 544675, 566462, 1089350, 1132924, 1416155, 2178700, 2832310, 5664620, 7080775, 14161550, 28323100]

約数ペア:

[(1, 28323100), (2, 14161550), (4, 7080775), (5, 5664620), (10, 2832310), (13, 2178700), (20, 1416155), (25, 1132924), (26, 1089350), (50, 566462), (52, 544675), (65, 435740), (100, 283231), (130, 217870), (260, 108935), (325, 87148), (650, 43574), (1300, 21787)]