8845000

素因数分解:

$2^3\times 5^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:116

約数の個数: 80

約数和(自身を含む): 21789900

約数和(自身を除く): 12944900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 61, 100, 116, 122, 125, 145, 200, 232, 244, 250, 290, 305, 488, 500, 580, 610, 625, 725, 1000, 1160, 1220, 1250, 1450, 1525, 1769, 2440, 2500, 2900, 3050, 3538, 3625, 5000, 5800, 6100, 7076, 7250, 7625, 8845, 12200, 14152, 14500, 15250, 17690, 18125, 29000, 30500, 35380, 36250, 38125, 44225, 61000, 70760, 72500, 76250, 88450, 145000, 152500, 176900, 221125, 305000, 353800, 442250, 884500, 1105625, 1769000, 2211250, 4422500, 8845000]

約数ペア:

[(1, 8845000), (2, 4422500), (4, 2211250), (5, 1769000), (8, 1105625), (10, 884500), (20, 442250), (25, 353800), (29, 305000), (40, 221125), (50, 176900), (58, 152500), (61, 145000), (100, 88450), (116, 76250), (122, 72500), (125, 70760), (145, 61000), (200, 44225), (232, 38125), (244, 36250), (250, 35380), (290, 30500), (305, 29000), (488, 18125), (500, 17690), (580, 15250), (610, 14500), (625, 14152), (725, 12200), (1000, 8845), (1160, 7625), (1220, 7250), (1250, 7076), (1450, 6100), (1525, 5800), (1769, 5000), (2440, 3625), (2500, 3538), (2900, 3050)]