55431920

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:418

約数の個数: 80

約数和(自身を含む): 134970528

約数和(自身を除く): 79538608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 61, 74, 80, 122, 148, 185, 244, 296, 305, 307, 370, 488, 592, 610, 614, 740, 976, 1220, 1228, 1480, 1535, 2257, 2440, 2456, 2960, 3070, 4514, 4880, 4912, 6140, 9028, 11285, 11359, 12280, 18056, 18727, 22570, 22718, 24560, 36112, 37454, 45140, 45436, 56795, 74908, 90280, 90872, 93635, 113590, 149816, 180560, 181744, 187270, 227180, 299632, 374540, 454360, 692899, 749080, 908720, 1385798, 1498160, 2771596, 3464495, 5543192, 6928990, 11086384, 13857980, 27715960, 55431920]

約数ペア:

[(1, 55431920), (2, 27715960), (4, 13857980), (5, 11086384), (8, 6928990), (10, 5543192), (16, 3464495), (20, 2771596), (37, 1498160), (40, 1385798), (61, 908720), (74, 749080), (80, 692899), (122, 454360), (148, 374540), (185, 299632), (244, 227180), (296, 187270), (305, 181744), (307, 180560), (370, 149816), (488, 113590), (592, 93635), (610, 90872), (614, 90280), (740, 74908), (976, 56795), (1220, 45436), (1228, 45140), (1480, 37454), (1535, 36112), (2257, 24560), (2440, 22718), (2456, 22570), (2960, 18727), (3070, 18056), (4514, 12280), (4880, 11359), (4912, 11285), (6140, 9028)]