8662000

素因数分解:

$2^4\times 5^3\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 80

約数和(自身を含む): 21587904

約数和(自身を除く): 12925904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 71, 80, 100, 122, 125, 142, 200, 244, 250, 284, 305, 355, 400, 488, 500, 568, 610, 710, 976, 1000, 1136, 1220, 1420, 1525, 1775, 2000, 2440, 2840, 3050, 3550, 4331, 4880, 5680, 6100, 7100, 7625, 8662, 8875, 12200, 14200, 15250, 17324, 17750, 21655, 24400, 28400, 30500, 34648, 35500, 43310, 61000, 69296, 71000, 86620, 108275, 122000, 142000, 173240, 216550, 346480, 433100, 541375, 866200, 1082750, 1732400, 2165500, 4331000, 8662000]

約数ペア:

[(1, 8662000), (2, 4331000), (4, 2165500), (5, 1732400), (8, 1082750), (10, 866200), (16, 541375), (20, 433100), (25, 346480), (40, 216550), (50, 173240), (61, 142000), (71, 122000), (80, 108275), (100, 86620), (122, 71000), (125, 69296), (142, 61000), (200, 43310), (244, 35500), (250, 34648), (284, 30500), (305, 28400), (355, 24400), (400, 21655), (488, 17750), (500, 17324), (568, 15250), (610, 14200), (710, 12200), (976, 8875), (1000, 8662), (1136, 7625), (1220, 7100), (1420, 6100), (1525, 5680), (1775, 4880), (2000, 4331), (2440, 3550), (2840, 3050)]