28175180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1543}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 65366784

約数和(自身を除く): 37191604

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 1543, 1660, 1826, 3086, 3652, 4565, 6172, 7715, 9130, 15430, 16973, 18260, 30860, 33946, 67892, 84865, 128069, 169730, 256138, 339460, 512276, 640345, 1280690, 1408759, 2561380, 2817518, 5635036, 7043795, 14087590, 28175180]

約数ペア:

[(1, 28175180), (2, 14087590), (4, 7043795), (5, 5635036), (10, 2817518), (11, 2561380), (20, 1408759), (22, 1280690), (44, 640345), (55, 512276), (83, 339460), (110, 256138), (166, 169730), (220, 128069), (332, 84865), (415, 67892), (830, 33946), (913, 30860), (1543, 18260), (1660, 16973), (1826, 15430), (3086, 9130), (3652, 7715), (4565, 6172)]