4372720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4969}}^1$

素因数の和:4993

約数の個数: 40

約数和(自身を含む): 11093040

約数和(自身を除く): 6720320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 4969, 9938, 19876, 24845, 39752, 49690, 54659, 79504, 99380, 109318, 198760, 218636, 273295, 397520, 437272, 546590, 874544, 1093180, 2186360, 4372720]

約数ペア:

[(1, 4372720), (2, 2186360), (4, 1093180), (5, 874544), (8, 546590), (10, 437272), (11, 397520), (16, 273295), (20, 218636), (22, 198760), (40, 109318), (44, 99380), (55, 79504), (80, 54659), (88, 49690), (110, 39752), (176, 24845), (220, 19876), (440, 9938), (880, 4969)]