28219840

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8017}}^1$

素因数の和:8045

約数の個数: 56

約数和(自身を含む): 73316592

約数和(自身を除く): 45096752

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 8017, 16034, 32068, 40085, 64136, 80170, 88187, 128272, 160340, 176374, 256544, 320680, 352748, 440935, 513088, 641360, 705496, 881870, 1282720, 1410992, 1763740, 2565440, 2821984, 3527480, 5643968, 7054960, 14109920, 28219840]

約数ペア:

[(1, 28219840), (2, 14109920), (4, 7054960), (5, 5643968), (8, 3527480), (10, 2821984), (11, 2565440), (16, 1763740), (20, 1410992), (22, 1282720), (32, 881870), (40, 705496), (44, 641360), (55, 513088), (64, 440935), (80, 352748), (88, 320680), (110, 256544), (160, 176374), (176, 160340), (220, 128272), (320, 88187), (352, 80170), (440, 64136), (704, 40085), (880, 32068), (1760, 16034), (3520, 8017)]