51990460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 121927680

約数和(自身を除く): 69937220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 47, 71, 76, 82, 94, 95, 142, 164, 188, 190, 205, 235, 284, 355, 380, 410, 470, 710, 779, 820, 893, 940, 1349, 1420, 1558, 1786, 1927, 2698, 2911, 3116, 3337, 3572, 3854, 3895, 4465, 5396, 5822, 6674, 6745, 7708, 7790, 8930, 9635, 11644, 13348, 13490, 14555, 15580, 16685, 17860, 19270, 26980, 29110, 33370, 36613, 38540, 55309, 58220, 63403, 66740, 73226, 110618, 126806, 136817, 146452, 183065, 221236, 253612, 273634, 276545, 317015, 366130, 547268, 553090, 634030, 684085, 732260, 1106180, 1268060, 1368170, 2599523, 2736340, 5199046, 10398092, 12997615, 25995230, 51990460]

約数ペア:

[(1, 51990460), (2, 25995230), (4, 12997615), (5, 10398092), (10, 5199046), (19, 2736340), (20, 2599523), (38, 1368170), (41, 1268060), (47, 1106180), (71, 732260), (76, 684085), (82, 634030), (94, 553090), (95, 547268), (142, 366130), (164, 317015), (188, 276545), (190, 273634), (205, 253612), (235, 221236), (284, 183065), (355, 146452), (380, 136817), (410, 126806), (470, 110618), (710, 73226), (779, 66740), (820, 63403), (893, 58220), (940, 55309), (1349, 38540), (1420, 36613), (1558, 33370), (1786, 29110), (1927, 26980), (2698, 19270), (2911, 17860), (3116, 16685), (3337, 15580), (3572, 14555), (3854, 13490), (3895, 13348), (4465, 11644), (5396, 9635), (5822, 8930), (6674, 7790), (6745, 7708)]