64798000

素因数分解:

$2^4\times 5^3\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:383

約数の個数: 80

約数和(自身を含む): 158427360

約数和(自身を除く): 93629360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 179, 181, 200, 250, 358, 362, 400, 500, 716, 724, 895, 905, 1000, 1432, 1448, 1790, 1810, 2000, 2864, 2896, 3580, 3620, 4475, 4525, 7160, 7240, 8950, 9050, 14320, 14480, 17900, 18100, 22375, 22625, 32399, 35800, 36200, 44750, 45250, 64798, 71600, 72400, 89500, 90500, 129596, 161995, 179000, 181000, 259192, 323990, 358000, 362000, 518384, 647980, 809975, 1295960, 1619950, 2591920, 3239900, 4049875, 6479800, 8099750, 12959600, 16199500, 32399000, 64798000]

約数ペア:

[(1, 64798000), (2, 32399000), (4, 16199500), (5, 12959600), (8, 8099750), (10, 6479800), (16, 4049875), (20, 3239900), (25, 2591920), (40, 1619950), (50, 1295960), (80, 809975), (100, 647980), (125, 518384), (179, 362000), (181, 358000), (200, 323990), (250, 259192), (358, 181000), (362, 179000), (400, 161995), (500, 129596), (716, 90500), (724, 89500), (895, 72400), (905, 71600), (1000, 64798), (1432, 45250), (1448, 44750), (1790, 36200), (1810, 35800), (2000, 32399), (2864, 22625), (2896, 22375), (3580, 18100), (3620, 17900), (4475, 14480), (4525, 14320), (7160, 9050), (7240, 8950)]