201564640

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{54773}}^1$

素因数の和:54811

約数の個数: 48

約数和(自身を含む): 496909728

約数和(自身を除く): 295345088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 54773, 109546, 219092, 273865, 438184, 547730, 876368, 1095460, 1259779, 1752736, 2190920, 2519558, 4381840, 5039116, 6298895, 8763680, 10078232, 12597790, 20156464, 25195580, 40312928, 50391160, 100782320, 201564640]

約数ペア:

[(1, 201564640), (2, 100782320), (4, 50391160), (5, 40312928), (8, 25195580), (10, 20156464), (16, 12597790), (20, 10078232), (23, 8763680), (32, 6298895), (40, 5039116), (46, 4381840), (80, 2519558), (92, 2190920), (115, 1752736), (160, 1259779), (184, 1095460), (230, 876368), (368, 547730), (460, 438184), (736, 273865), (920, 219092), (1840, 109546), (3680, 54773)]