55439800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21323}}^1$

素因数の和:21352

約数の個数: 48

約数和(自身を含む): 138819240

約数和(自身を除く): 83379440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 21323, 42646, 85292, 106615, 170584, 213230, 277199, 426460, 533075, 554398, 852920, 1066150, 1108796, 1385995, 2132300, 2217592, 2771990, 4264600, 5543980, 6929975, 11087960, 13859950, 27719900, 55439800]

約数ペア:

[(1, 55439800), (2, 27719900), (4, 13859950), (5, 11087960), (8, 6929975), (10, 5543980), (13, 4264600), (20, 2771990), (25, 2217592), (26, 2132300), (40, 1385995), (50, 1108796), (52, 1066150), (65, 852920), (100, 554398), (104, 533075), (130, 426460), (200, 277199), (260, 213230), (325, 170584), (520, 106615), (650, 85292), (1300, 42646), (2600, 21323)]