27983120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31799}}^1$

素因数の和:31823

約数の個数: 40

約数和(自身を含む): 70977600

約数和(自身を除く): 42994480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 31799, 63598, 127196, 158995, 254392, 317990, 349789, 508784, 635980, 699578, 1271960, 1399156, 1748945, 2543920, 2798312, 3497890, 5596624, 6995780, 13991560, 27983120]

約数ペア:

[(1, 27983120), (2, 13991560), (4, 6995780), (5, 5596624), (8, 3497890), (10, 2798312), (11, 2543920), (16, 1748945), (20, 1399156), (22, 1271960), (40, 699578), (44, 635980), (55, 508784), (80, 349789), (88, 317990), (110, 254392), (176, 158995), (220, 127196), (440, 63598), (880, 31799)]