28305478520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64330633}}^1$

素因数の和:64330655

約数の個数: 32

約数和(自身を含む): 69477084720

約数和(自身を除く): 41171606200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 64330633, 128661266, 257322532, 321653165, 514645064, 643306330, 707636963, 1286612660, 1415273926, 2573225320, 2830547852, 3538184815, 5661095704, 7076369630, 14152739260, 28305478520]

約数ペア:

[(1, 28305478520), (2, 14152739260), (4, 7076369630), (5, 5661095704), (8, 3538184815), (10, 2830547852), (11, 2573225320), (20, 1415273926), (22, 1286612660), (40, 707636963), (44, 643306330), (55, 514645064), (88, 321653165), (110, 257322532), (220, 128661266), (440, 64330633)]