22048520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 54054000

約数和(自身を除く): 32005480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 218, 260, 389, 436, 520, 545, 778, 872, 1090, 1417, 1556, 1945, 2180, 2834, 3112, 3890, 4360, 5057, 5668, 7085, 7780, 10114, 11336, 14170, 15560, 20228, 25285, 28340, 40456, 42401, 50570, 56680, 84802, 101140, 169604, 202280, 212005, 339208, 424010, 551213, 848020, 1102426, 1696040, 2204852, 2756065, 4409704, 5512130, 11024260, 22048520]

約数ペア:

[(1, 22048520), (2, 11024260), (4, 5512130), (5, 4409704), (8, 2756065), (10, 2204852), (13, 1696040), (20, 1102426), (26, 848020), (40, 551213), (52, 424010), (65, 339208), (104, 212005), (109, 202280), (130, 169604), (218, 101140), (260, 84802), (389, 56680), (436, 50570), (520, 42401), (545, 40456), (778, 28340), (872, 25285), (1090, 20228), (1417, 15560), (1556, 14170), (1945, 11336), (2180, 10114), (2834, 7780), (3112, 7085), (3890, 5668), (4360, 5057)]