8321060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 19293120

約数和(自身を除く): 10972060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 347, 436, 545, 694, 1090, 1199, 1388, 1735, 2180, 2398, 3470, 3817, 4796, 5995, 6940, 7634, 11990, 15268, 19085, 23980, 37823, 38170, 75646, 76340, 151292, 189115, 378230, 416053, 756460, 832106, 1664212, 2080265, 4160530, 8321060]

約数ペア:

[(1, 8321060), (2, 4160530), (4, 2080265), (5, 1664212), (10, 832106), (11, 756460), (20, 416053), (22, 378230), (44, 189115), (55, 151292), (109, 76340), (110, 75646), (218, 38170), (220, 37823), (347, 23980), (436, 19085), (545, 15268), (694, 11990), (1090, 7634), (1199, 6940), (1388, 5995), (1735, 4796), (2180, 3817), (2398, 3470)]