26378480

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1283}}^1$

素因数の和:1553

約数の個数: 40

約数和(自身を含む): 61616592

約数和(自身を除く): 35238112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1283, 1285, 2056, 2566, 2570, 4112, 5132, 5140, 6415, 10264, 10280, 12830, 20528, 20560, 25660, 51320, 102640, 329731, 659462, 1318924, 1648655, 2637848, 3297310, 5275696, 6594620, 13189240, 26378480]

約数ペア:

[(1, 26378480), (2, 13189240), (4, 6594620), (5, 5275696), (8, 3297310), (10, 2637848), (16, 1648655), (20, 1318924), (40, 659462), (80, 329731), (257, 102640), (514, 51320), (1028, 25660), (1283, 20560), (1285, 20528), (2056, 12830), (2566, 10280), (2570, 10264), (4112, 6415), (5132, 5140)]