27703280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31481}}^1$

素因数の和:31505

約数の個数: 40

約数和(自身を含む): 70267824

約数和(自身を除く): 42564544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 31481, 62962, 125924, 157405, 251848, 314810, 346291, 503696, 629620, 692582, 1259240, 1385164, 1731455, 2518480, 2770328, 3462910, 5540656, 6925820, 13851640, 27703280]

約数ペア:

[(1, 27703280), (2, 13851640), (4, 6925820), (5, 5540656), (8, 3462910), (10, 2770328), (11, 2518480), (16, 1731455), (20, 1385164), (22, 1259240), (40, 692582), (44, 629620), (55, 503696), (80, 346291), (88, 314810), (110, 251848), (176, 157405), (220, 125924), (440, 62962), (880, 31481)]