27606940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 60074784

約数和(自身を除く): 32467844

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 131, 164, 205, 257, 262, 410, 514, 524, 655, 820, 1028, 1285, 1310, 2570, 2620, 5140, 5371, 10537, 10742, 21074, 21484, 26855, 33667, 42148, 52685, 53710, 67334, 105370, 107420, 134668, 168335, 210740, 336670, 673340, 1380347, 2760694, 5521388, 6901735, 13803470, 27606940]

約数ペア:

[(1, 27606940), (2, 13803470), (4, 6901735), (5, 5521388), (10, 2760694), (20, 1380347), (41, 673340), (82, 336670), (131, 210740), (164, 168335), (205, 134668), (257, 107420), (262, 105370), (410, 67334), (514, 53710), (524, 52685), (655, 42148), (820, 33667), (1028, 26855), (1285, 21484), (1310, 21074), (2570, 10742), (2620, 10537), (5140, 5371)]