80120000

素因数分解:

$2^6\times 5^4\times {\mathrm{2003}}^1$

素因数の和:2035

約数の個数: 70

約数和(自身を含む): 198770748

約数和(自身を除く): 118650748

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 625, 800, 1000, 1250, 1600, 2000, 2003, 2500, 4000, 4006, 5000, 8000, 8012, 10000, 10015, 16024, 20000, 20030, 32048, 40000, 40060, 50075, 64096, 80120, 100150, 128192, 160240, 200300, 250375, 320480, 400600, 500750, 640960, 801200, 1001500, 1251875, 1602400, 2003000, 2503750, 3204800, 4006000, 5007500, 8012000, 10015000, 16024000, 20030000, 40060000, 80120000]

約数ペア:

[(1, 80120000), (2, 40060000), (4, 20030000), (5, 16024000), (8, 10015000), (10, 8012000), (16, 5007500), (20, 4006000), (25, 3204800), (32, 2503750), (40, 2003000), (50, 1602400), (64, 1251875), (80, 1001500), (100, 801200), (125, 640960), (160, 500750), (200, 400600), (250, 320480), (320, 250375), (400, 200300), (500, 160240), (625, 128192), (800, 100150), (1000, 80120), (1250, 64096), (1600, 50075), (2000, 40060), (2003, 40000), (2500, 32048), (4000, 20030), (4006, 20000), (5000, 16024), (8000, 10015), (8012, 10000)]