12804956140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{405991}}^1$

素因数の和:406102

約数の個数: 48

約数和(自身を含む): 28646795520

約数和(自身を除く): 15841839380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 830, 1577, 1660, 3154, 6308, 7885, 15770, 31540, 405991, 811982, 1623964, 2029955, 4059910, 7713829, 8119820, 15427658, 30855316, 33697253, 38569145, 67394506, 77138290, 134789012, 154276580, 168486265, 336972530, 640247807, 673945060, 1280495614, 2560991228, 3201239035, 6402478070, 12804956140]

約数ペア:

[(1, 12804956140), (2, 6402478070), (4, 3201239035), (5, 2560991228), (10, 1280495614), (19, 673945060), (20, 640247807), (38, 336972530), (76, 168486265), (83, 154276580), (95, 134789012), (166, 77138290), (190, 67394506), (332, 38569145), (380, 33697253), (415, 30855316), (830, 15427658), (1577, 8119820), (1660, 7713829), (3154, 4059910), (6308, 2029955), (7885, 1623964), (15770, 811982), (31540, 405991)]