208672000

素因数分解:

$2^8\times 5^3\times {\mathrm{6521}}^1$

素因数の和:6552

約数の個数: 72

約数和(自身を含む): 519907752

約数和(自身を除く): 311235752

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, 640, 800, 1000, 1280, 1600, 2000, 3200, 4000, 6400, 6521, 8000, 13042, 16000, 26084, 32000, 32605, 52168, 65210, 104336, 130420, 163025, 208672, 260840, 326050, 417344, 521680, 652100, 815125, 834688, 1043360, 1304200, 1630250, 1669376, 2086720, 2608400, 3260500, 4173440, 5216800, 6521000, 8346880, 10433600, 13042000, 20867200, 26084000, 41734400, 52168000, 104336000, 208672000]

約数ペア:

[(1, 208672000), (2, 104336000), (4, 52168000), (5, 41734400), (8, 26084000), (10, 20867200), (16, 13042000), (20, 10433600), (25, 8346880), (32, 6521000), (40, 5216800), (50, 4173440), (64, 3260500), (80, 2608400), (100, 2086720), (125, 1669376), (128, 1630250), (160, 1304200), (200, 1043360), (250, 834688), (256, 815125), (320, 652100), (400, 521680), (500, 417344), (640, 326050), (800, 260840), (1000, 208672), (1280, 163025), (1600, 130420), (2000, 104336), (3200, 65210), (4000, 52168), (6400, 32605), (6521, 32000), (8000, 26084), (13042, 16000)]