27917780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1123}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 64580544

約数和(自身を除く): 36662764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 1123, 1130, 1243, 2246, 2260, 2486, 4492, 4972, 5615, 6215, 11230, 12353, 12430, 22460, 24706, 24860, 49412, 61765, 123530, 126899, 247060, 253798, 507596, 634495, 1268990, 1395889, 2537980, 2791778, 5583556, 6979445, 13958890, 27917780]

約数ペア:

[(1, 27917780), (2, 13958890), (4, 6979445), (5, 5583556), (10, 2791778), (11, 2537980), (20, 1395889), (22, 1268990), (44, 634495), (55, 507596), (110, 253798), (113, 247060), (220, 126899), (226, 123530), (452, 61765), (565, 49412), (1123, 24860), (1130, 24706), (1243, 22460), (2246, 12430), (2260, 12353), (2486, 11230), (4492, 6215), (4972, 5615)]