15620000

素因数分解:

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

素因数の和:112

約数の個数: 120

約数和(自身を含む): 42511392

約数和(自身を除く): 26891392

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 71, 80, 88, 100, 110, 125, 142, 160, 176, 200, 220, 250, 275, 284, 352, 355, 400, 440, 500, 550, 568, 625, 710, 781, 800, 880, 1000, 1100, 1136, 1250, 1375, 1420, 1562, 1760, 1775, 2000, 2200, 2272, 2500, 2750, 2840, 3124, 3550, 3905, 4000, 4400, 5000, 5500, 5680, 6248, 6875, 7100, 7810, 8800, 8875, 10000, 11000, 11360, 12496, 13750, 14200, 15620, 17750, 19525, 20000, 22000, 24992, 27500, 28400, 31240, 35500, 39050, 44000, 44375, 55000, 56800, 62480, 71000, 78100, 88750, 97625, 110000, 124960, 142000, 156200, 177500, 195250, 220000, 284000, 312400, 355000, 390500, 488125, 624800, 710000, 781000, 976250, 1420000, 1562000, 1952500, 3124000, 3905000, 7810000, 15620000]

約数ペア:

[(1, 15620000), (2, 7810000), (4, 3905000), (5, 3124000), (8, 1952500), (10, 1562000), (11, 1420000), (16, 976250), (20, 781000), (22, 710000), (25, 624800), (32, 488125), (40, 390500), (44, 355000), (50, 312400), (55, 284000), (71, 220000), (80, 195250), (88, 177500), (100, 156200), (110, 142000), (125, 124960), (142, 110000), (160, 97625), (176, 88750), (200, 78100), (220, 71000), (250, 62480), (275, 56800), (284, 55000), (352, 44375), (355, 44000), (400, 39050), (440, 35500), (500, 31240), (550, 28400), (568, 27500), (625, 24992), (710, 22000), (781, 20000), (800, 19525), (880, 17750), (1000, 15620), (1100, 14200), (1136, 13750), (1250, 12496), (1375, 11360), (1420, 11000), (1562, 10000), (1760, 8875), (1775, 8800), (2000, 7810), (2200, 7100), (2272, 6875), (2500, 6248), (2750, 5680), (2840, 5500), (3124, 5000), (3550, 4400), (3905, 4000)]