90538480

素因数分解:

$2^4\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1657}}^1$

素因数の和:2353

約数の個数: 40

約数和(自身を含む): 210937392

約数和(自身を除く): 120398912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 683, 1366, 1657, 2732, 3314, 3415, 5464, 6628, 6830, 8285, 10928, 13256, 13660, 16570, 26512, 27320, 33140, 54640, 66280, 132560, 1131731, 2263462, 4526924, 5658655, 9053848, 11317310, 18107696, 22634620, 45269240, 90538480]

約数ペア:

[(1, 90538480), (2, 45269240), (4, 22634620), (5, 18107696), (8, 11317310), (10, 9053848), (16, 5658655), (20, 4526924), (40, 2263462), (80, 1131731), (683, 132560), (1366, 66280), (1657, 54640), (2732, 33140), (3314, 27320), (3415, 26512), (5464, 16570), (6628, 13660), (6830, 13256), (8285, 10928)]