2788720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3169}}^1$

素因数の和:3193

約数の個数: 40

約数和(自身を含む): 7075440

約数和(自身を除く): 4286720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 3169, 6338, 12676, 15845, 25352, 31690, 34859, 50704, 63380, 69718, 126760, 139436, 174295, 253520, 278872, 348590, 557744, 697180, 1394360, 2788720]

約数ペア:

[(1, 2788720), (2, 1394360), (4, 697180), (5, 557744), (8, 348590), (10, 278872), (11, 253520), (16, 174295), (20, 139436), (22, 126760), (40, 69718), (44, 63380), (55, 50704), (80, 34859), (88, 31690), (110, 25352), (176, 15845), (220, 12676), (440, 6338), (880, 3169)]