51123680

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:352

約数の個数: 96

約数和(自身を含む): 129548160

約数和(自身を除く): 78424480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 67, 76, 80, 95, 134, 152, 160, 190, 251, 268, 304, 335, 380, 502, 536, 608, 670, 760, 1004, 1072, 1255, 1273, 1340, 1520, 2008, 2144, 2510, 2546, 2680, 3040, 4016, 4769, 5020, 5092, 5360, 6365, 8032, 9538, 10040, 10184, 10720, 12730, 16817, 19076, 20080, 20368, 23845, 25460, 33634, 38152, 40160, 40736, 47690, 50920, 67268, 76304, 84085, 95380, 101840, 134536, 152608, 168170, 190760, 203680, 269072, 319523, 336340, 381520, 538144, 639046, 672680, 763040, 1278092, 1345360, 1597615, 2556184, 2690720, 3195230, 5112368, 6390460, 10224736, 12780920, 25561840, 51123680]

約数ペア:

[(1, 51123680), (2, 25561840), (4, 12780920), (5, 10224736), (8, 6390460), (10, 5112368), (16, 3195230), (19, 2690720), (20, 2556184), (32, 1597615), (38, 1345360), (40, 1278092), (67, 763040), (76, 672680), (80, 639046), (95, 538144), (134, 381520), (152, 336340), (160, 319523), (190, 269072), (251, 203680), (268, 190760), (304, 168170), (335, 152608), (380, 134536), (502, 101840), (536, 95380), (608, 84085), (670, 76304), (760, 67268), (1004, 50920), (1072, 47690), (1255, 40736), (1273, 40160), (1340, 38152), (1520, 33634), (2008, 25460), (2144, 23845), (2510, 20368), (2546, 20080), (2680, 19076), (3040, 16817), (4016, 12730), (4769, 10720), (5020, 10184), (5092, 10040), (5360, 9538), (6365, 8032)]