105513920

素因数分解:

$2^6\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1283}}^1$

素因数の和:1557

約数の個数: 56

約数和(自身を含む): 252429264

約数和(自身を除く): 146915344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 257, 320, 514, 1028, 1283, 1285, 2056, 2566, 2570, 4112, 5132, 5140, 6415, 8224, 10264, 10280, 12830, 16448, 20528, 20560, 25660, 41056, 41120, 51320, 82112, 82240, 102640, 205280, 329731, 410560, 659462, 1318924, 1648655, 2637848, 3297310, 5275696, 6594620, 10551392, 13189240, 21102784, 26378480, 52756960, 105513920]

約数ペア:

[(1, 105513920), (2, 52756960), (4, 26378480), (5, 21102784), (8, 13189240), (10, 10551392), (16, 6594620), (20, 5275696), (32, 3297310), (40, 2637848), (64, 1648655), (80, 1318924), (160, 659462), (257, 410560), (320, 329731), (514, 205280), (1028, 102640), (1283, 82240), (1285, 82112), (2056, 51320), (2566, 41120), (2570, 41056), (4112, 25660), (5132, 20560), (5140, 20528), (6415, 16448), (8224, 12830), (10264, 10280)]