16672000

素因数分解:

$2^8\times 5^3\times {\mathrm{521}}^1$

素因数の和:552

約数の個数: 72

約数和(自身を含む): 41611752

約数和(自身を除く): 24939752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 521, 640, 800, 1000, 1042, 1280, 1600, 2000, 2084, 2605, 3200, 4000, 4168, 5210, 6400, 8000, 8336, 10420, 13025, 16000, 16672, 20840, 26050, 32000, 33344, 41680, 52100, 65125, 66688, 83360, 104200, 130250, 133376, 166720, 208400, 260500, 333440, 416800, 521000, 666880, 833600, 1042000, 1667200, 2084000, 3334400, 4168000, 8336000, 16672000]

約数ペア:

[(1, 16672000), (2, 8336000), (4, 4168000), (5, 3334400), (8, 2084000), (10, 1667200), (16, 1042000), (20, 833600), (25, 666880), (32, 521000), (40, 416800), (50, 333440), (64, 260500), (80, 208400), (100, 166720), (125, 133376), (128, 130250), (160, 104200), (200, 83360), (250, 66688), (256, 65125), (320, 52100), (400, 41680), (500, 33344), (521, 32000), (640, 26050), (800, 20840), (1000, 16672), (1042, 16000), (1280, 13025), (1600, 10420), (2000, 8336), (2084, 8000), (2605, 6400), (3200, 5210), (4000, 4168)]