40389920

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:234

約数の個数: 96

約数和(自身を含む): 100590336

約数和(自身を除く): 60200416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 47, 80, 82, 94, 131, 160, 164, 188, 205, 235, 262, 328, 376, 410, 470, 524, 655, 656, 752, 820, 940, 1048, 1310, 1312, 1504, 1640, 1880, 1927, 2096, 2620, 3280, 3760, 3854, 4192, 5240, 5371, 6157, 6560, 7520, 7708, 9635, 10480, 10742, 12314, 15416, 19270, 20960, 21484, 24628, 26855, 30785, 30832, 38540, 42968, 49256, 53710, 61570, 61664, 77080, 85936, 98512, 107420, 123140, 154160, 171872, 197024, 214840, 246280, 252437, 308320, 429680, 492560, 504874, 859360, 985120, 1009748, 1262185, 2019496, 2524370, 4038992, 5048740, 8077984, 10097480, 20194960, 40389920]

約数ペア:

[(1, 40389920), (2, 20194960), (4, 10097480), (5, 8077984), (8, 5048740), (10, 4038992), (16, 2524370), (20, 2019496), (32, 1262185), (40, 1009748), (41, 985120), (47, 859360), (80, 504874), (82, 492560), (94, 429680), (131, 308320), (160, 252437), (164, 246280), (188, 214840), (205, 197024), (235, 171872), (262, 154160), (328, 123140), (376, 107420), (410, 98512), (470, 85936), (524, 77080), (655, 61664), (656, 61570), (752, 53710), (820, 49256), (940, 42968), (1048, 38540), (1310, 30832), (1312, 30785), (1504, 26855), (1640, 24628), (1880, 21484), (1927, 20960), (2096, 19270), (2620, 15416), (3280, 12314), (3760, 10742), (3854, 10480), (4192, 9635), (5240, 7708), (5371, 7520), (6157, 6560)]