266012080

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{18371}}^1$

素因数の和:18565

約数の個数: 40

約数和(自身を含む): 621928944

約数和(自身を除く): 355916864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 7240, 14480, 18371, 36742, 73484, 91855, 146968, 183710, 293936, 367420, 734840, 1469680, 3325151, 6650302, 13300604, 16625755, 26601208, 33251510, 53202416, 66503020, 133006040, 266012080]

約数ペア:

[(1, 266012080), (2, 133006040), (4, 66503020), (5, 53202416), (8, 33251510), (10, 26601208), (16, 16625755), (20, 13300604), (40, 6650302), (80, 3325151), (181, 1469680), (362, 734840), (724, 367420), (905, 293936), (1448, 183710), (1810, 146968), (2896, 91855), (3620, 73484), (7240, 36742), (14480, 18371)]