12287440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13963}}^1$

素因数の和:13987

約数の個数: 40

約数和(自身を含む): 31167648

約数和(自身を除く): 18880208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 13963, 27926, 55852, 69815, 111704, 139630, 153593, 223408, 279260, 307186, 558520, 614372, 767965, 1117040, 1228744, 1535930, 2457488, 3071860, 6143720, 12287440]

約数ペア:

[(1, 12287440), (2, 6143720), (4, 3071860), (5, 2457488), (8, 1535930), (10, 1228744), (11, 1117040), (16, 767965), (20, 614372), (22, 558520), (40, 307186), (44, 279260), (55, 223408), (80, 153593), (88, 139630), (110, 111704), (176, 69815), (220, 55852), (440, 27926), (880, 13963)]