80205000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{5347}}^1$

素因数の和:5376

約数の個数: 80

約数和(自身を含む): 250607280

約数和(自身を除く): 170402280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 1000, 1250, 1500, 1875, 2500, 3000, 3750, 5000, 5347, 7500, 10694, 15000, 16041, 21388, 26735, 32082, 42776, 53470, 64164, 80205, 106940, 128328, 133675, 160410, 213880, 267350, 320820, 401025, 534700, 641640, 668375, 802050, 1069400, 1336750, 1604100, 2005125, 2673500, 3208200, 3341875, 4010250, 5347000, 6683750, 8020500, 10025625, 13367500, 16041000, 20051250, 26735000, 40102500, 80205000]

約数ペア:

[(1, 80205000), (2, 40102500), (3, 26735000), (4, 20051250), (5, 16041000), (6, 13367500), (8, 10025625), (10, 8020500), (12, 6683750), (15, 5347000), (20, 4010250), (24, 3341875), (25, 3208200), (30, 2673500), (40, 2005125), (50, 1604100), (60, 1336750), (75, 1069400), (100, 802050), (120, 668375), (125, 641640), (150, 534700), (200, 401025), (250, 320820), (300, 267350), (375, 213880), (500, 160410), (600, 133675), (625, 128328), (750, 106940), (1000, 80205), (1250, 64164), (1500, 53470), (1875, 42776), (2500, 32082), (3000, 26735), (3750, 21388), (5000, 16041), (5347, 15000), (7500, 10694)]