72920000

素因数分解:

$2^6\times 5^4\times {\mathrm{1823}}^1$

素因数の和:1855

約数の個数: 70

約数和(自身を含む): 180917088

約数和(自身を除く): 107997088

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, 1823, 2000, 2500, 3646, 4000, 5000, 7292, 8000, 9115, 10000, 14584, 18230, 20000, 29168, 36460, 40000, 45575, 58336, 72920, 91150, 116672, 145840, 182300, 227875, 291680, 364600, 455750, 583360, 729200, 911500, 1139375, 1458400, 1823000, 2278750, 2916800, 3646000, 4557500, 7292000, 9115000, 14584000, 18230000, 36460000, 72920000]

約数ペア:

[(1, 72920000), (2, 36460000), (4, 18230000), (5, 14584000), (8, 9115000), (10, 7292000), (16, 4557500), (20, 3646000), (25, 2916800), (32, 2278750), (40, 1823000), (50, 1458400), (64, 1139375), (80, 911500), (100, 729200), (125, 583360), (160, 455750), (200, 364600), (250, 291680), (320, 227875), (400, 182300), (500, 145840), (625, 116672), (800, 91150), (1000, 72920), (1250, 58336), (1600, 45575), (1823, 40000), (2000, 36460), (2500, 29168), (3646, 20000), (4000, 18230), (5000, 14584), (7292, 10000), (8000, 9115)]