41680000

素因数分解:

$2^7\times 5^4\times {\mathrm{521}}^1$

素因数の和:555

約数の個数: 80

約数和(自身を含む): 103958910

約数和(自身を除く): 62278910

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 521, 625, 640, 800, 1000, 1042, 1250, 1600, 2000, 2084, 2500, 2605, 3200, 4000, 4168, 5000, 5210, 8000, 8336, 10000, 10420, 13025, 16000, 16672, 20000, 20840, 26050, 33344, 40000, 41680, 52100, 65125, 66688, 80000, 83360, 104200, 130250, 166720, 208400, 260500, 325625, 333440, 416800, 521000, 651250, 833600, 1042000, 1302500, 1667200, 2084000, 2605000, 4168000, 5210000, 8336000, 10420000, 20840000, 41680000]

約数ペア:

[(1, 41680000), (2, 20840000), (4, 10420000), (5, 8336000), (8, 5210000), (10, 4168000), (16, 2605000), (20, 2084000), (25, 1667200), (32, 1302500), (40, 1042000), (50, 833600), (64, 651250), (80, 521000), (100, 416800), (125, 333440), (128, 325625), (160, 260500), (200, 208400), (250, 166720), (320, 130250), (400, 104200), (500, 83360), (521, 80000), (625, 66688), (640, 65125), (800, 52100), (1000, 41680), (1042, 40000), (1250, 33344), (1600, 26050), (2000, 20840), (2084, 20000), (2500, 16672), (2605, 16000), (3200, 13025), (4000, 10420), (4168, 10000), (5000, 8336), (5210, 8000)]