66713600

素因数分解:

$2^{11}\times 5^2\times {\mathrm{1303}}^1$

素因数の和:1335

約数の個数: 72

約数和(自身を含む): 165536280

約数和(自身を除く): 98822680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1303, 1600, 2048, 2560, 2606, 3200, 5120, 5212, 6400, 6515, 10240, 10424, 12800, 13030, 20848, 25600, 26060, 32575, 41696, 51200, 52120, 65150, 83392, 104240, 130300, 166784, 208480, 260600, 333568, 416960, 521200, 667136, 833920, 1042400, 1334272, 1667840, 2084800, 2668544, 3335680, 4169600, 6671360, 8339200, 13342720, 16678400, 33356800, 66713600]

約数ペア:

[(1, 66713600), (2, 33356800), (4, 16678400), (5, 13342720), (8, 8339200), (10, 6671360), (16, 4169600), (20, 3335680), (25, 2668544), (32, 2084800), (40, 1667840), (50, 1334272), (64, 1042400), (80, 833920), (100, 667136), (128, 521200), (160, 416960), (200, 333568), (256, 260600), (320, 208480), (400, 166784), (512, 130300), (640, 104240), (800, 83392), (1024, 65150), (1280, 52120), (1303, 51200), (1600, 41696), (2048, 32575), (2560, 26060), (2606, 25600), (3200, 20848), (5120, 13030), (5212, 12800), (6400, 10424), (6515, 10240)]