22125440

素因数分解:

$2^7\times 5^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 53464320

約数和(自身を除く): 31338880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 191, 320, 362, 382, 640, 724, 764, 905, 955, 1448, 1528, 1810, 1910, 2896, 3056, 3620, 3820, 5792, 6112, 7240, 7640, 11584, 12224, 14480, 15280, 23168, 24448, 28960, 30560, 34571, 57920, 61120, 69142, 115840, 122240, 138284, 172855, 276568, 345710, 553136, 691420, 1106272, 1382840, 2212544, 2765680, 4425088, 5531360, 11062720, 22125440]

約数ペア:

[(1, 22125440), (2, 11062720), (4, 5531360), (5, 4425088), (8, 2765680), (10, 2212544), (16, 1382840), (20, 1106272), (32, 691420), (40, 553136), (64, 345710), (80, 276568), (128, 172855), (160, 138284), (181, 122240), (191, 115840), (320, 69142), (362, 61120), (382, 57920), (640, 34571), (724, 30560), (764, 28960), (905, 24448), (955, 23168), (1448, 15280), (1528, 14480), (1810, 12224), (1910, 11584), (2896, 7640), (3056, 7240), (3620, 6112), (3820, 5792)]