47547280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:856

約数の個数: 80

約数和(自身を含む): 122456448

約数和(自身を除く): 74909168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 710, 761, 781, 880, 1136, 1420, 1522, 1562, 2840, 3044, 3124, 3805, 3905, 5680, 6088, 6248, 7610, 7810, 8371, 12176, 12496, 15220, 15620, 16742, 30440, 31240, 33484, 41855, 54031, 60880, 62480, 66968, 83710, 108062, 133936, 167420, 216124, 270155, 334840, 432248, 540310, 594341, 669680, 864496, 1080620, 1188682, 2161240, 2377364, 2971705, 4322480, 4754728, 5943410, 9509456, 11886820, 23773640, 47547280]

約数ペア:

[(1, 47547280), (2, 23773640), (4, 11886820), (5, 9509456), (8, 5943410), (10, 4754728), (11, 4322480), (16, 2971705), (20, 2377364), (22, 2161240), (40, 1188682), (44, 1080620), (55, 864496), (71, 669680), (80, 594341), (88, 540310), (110, 432248), (142, 334840), (176, 270155), (220, 216124), (284, 167420), (355, 133936), (440, 108062), (568, 83710), (710, 66968), (761, 62480), (781, 60880), (880, 54031), (1136, 41855), (1420, 33484), (1522, 31240), (1562, 30440), (2840, 16742), (3044, 15620), (3124, 15220), (3805, 12496), (3905, 12176), (5680, 8371), (6088, 7810), (6248, 7610)]