28074800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5399}}^1$

素因数の和:5430

約数の個数: 60

約数和(自身を含む): 72651600

約数和(自身を除く): 44576800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 5399, 10798, 21596, 26995, 43192, 53990, 70187, 86384, 107980, 134975, 140374, 215960, 269950, 280748, 350935, 431920, 539900, 561496, 701870, 1079800, 1122992, 1403740, 1754675, 2159600, 2807480, 3509350, 5614960, 7018700, 14037400, 28074800]

約数ペア:

[(1, 28074800), (2, 14037400), (4, 7018700), (5, 5614960), (8, 3509350), (10, 2807480), (13, 2159600), (16, 1754675), (20, 1403740), (25, 1122992), (26, 1079800), (40, 701870), (50, 561496), (52, 539900), (65, 431920), (80, 350935), (100, 280748), (104, 269950), (130, 215960), (200, 140374), (208, 134975), (260, 107980), (325, 86384), (400, 70187), (520, 53990), (650, 43192), (1040, 26995), (1300, 21596), (2600, 10798), (5200, 5399)]