12115220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2741}}^1$

素因数の和:2780

約数の個数: 48

約数和(自身を含む): 29021328

約数和(自身を除く): 16906108

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 2741, 4420, 5482, 10964, 13705, 27410, 35633, 46597, 54820, 71266, 93194, 142532, 178165, 186388, 232985, 356330, 465970, 605761, 712660, 931940, 1211522, 2423044, 3028805, 6057610, 12115220]

約数ペア:

[(1, 12115220), (2, 6057610), (4, 3028805), (5, 2423044), (10, 1211522), (13, 931940), (17, 712660), (20, 605761), (26, 465970), (34, 356330), (52, 232985), (65, 186388), (68, 178165), (85, 142532), (130, 93194), (170, 71266), (221, 54820), (260, 46597), (340, 35633), (442, 27410), (884, 13705), (1105, 10964), (2210, 5482), (2741, 4420)]