28896010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{167}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 61979904

約数和(自身を除く): 33083894

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 143, 167, 242, 286, 334, 605, 715, 835, 1210, 1331, 1430, 1573, 1670, 1837, 2171, 2662, 3146, 3674, 4342, 6655, 7865, 9185, 10855, 13310, 15730, 17303, 18370, 20207, 21710, 23881, 34606, 40414, 47762, 86515, 101035, 119405, 173030, 202070, 222277, 238810, 262691, 444554, 525382, 1111385, 1313455, 2222770, 2626910, 2889601, 5779202, 14448005, 28896010]

約数ペア:

[(1, 28896010), (2, 14448005), (5, 5779202), (10, 2889601), (11, 2626910), (13, 2222770), (22, 1313455), (26, 1111385), (55, 525382), (65, 444554), (110, 262691), (121, 238810), (130, 222277), (143, 202070), (167, 173030), (242, 119405), (286, 101035), (334, 86515), (605, 47762), (715, 40414), (835, 34606), (1210, 23881), (1331, 21710), (1430, 20207), (1573, 18370), (1670, 17303), (1837, 15730), (2171, 13310), (2662, 10855), (3146, 9185), (3674, 7865), (4342, 6655)]