20124380480

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{34123}}^1$

素因数の和:34256

約数の個数: 112

約数和(自身を含む): 50964876480

約数和(自身を除く): 30840496000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 97, 152, 160, 190, 194, 304, 320, 380, 388, 485, 608, 760, 776, 970, 1216, 1520, 1552, 1843, 1940, 3040, 3104, 3686, 3880, 6080, 6208, 7372, 7760, 9215, 14744, 15520, 18430, 29488, 31040, 34123, 36860, 58976, 68246, 73720, 117952, 136492, 147440, 170615, 272984, 294880, 341230, 545968, 589760, 648337, 682460, 1091936, 1296674, 1364920, 2183872, 2593348, 2729840, 3241685, 3309931, 5186696, 5459680, 6483370, 6619862, 10373392, 10919360, 12966740, 13239724, 16549655, 20746784, 25933480, 26479448, 33099310, 41493568, 51866960, 52958896, 62888689, 66198620, 103733920, 105917792, 125777378, 132397240, 207467840, 211835584, 251554756, 264794480, 314443445, 503109512, 529588960, 628886890, 1006219024, 1059177920, 1257773780, 2012438048, 2515547560, 4024876096, 5031095120, 10062190240, 20124380480]

約数ペア:

[(1, 20124380480), (2, 10062190240), (4, 5031095120), (5, 4024876096), (8, 2515547560), (10, 2012438048), (16, 1257773780), (19, 1059177920), (20, 1006219024), (32, 628886890), (38, 529588960), (40, 503109512), (64, 314443445), (76, 264794480), (80, 251554756), (95, 211835584), (97, 207467840), (152, 132397240), (160, 125777378), (190, 105917792), (194, 103733920), (304, 66198620), (320, 62888689), (380, 52958896), (388, 51866960), (485, 41493568), (608, 33099310), (760, 26479448), (776, 25933480), (970, 20746784), (1216, 16549655), (1520, 13239724), (1552, 12966740), (1843, 10919360), (1940, 10373392), (3040, 6619862), (3104, 6483370), (3686, 5459680), (3880, 5186696), (6080, 3309931), (6208, 3241685), (7372, 2729840), (7760, 2593348), (9215, 2183872), (14744, 1364920), (15520, 1296674), (18430, 1091936), (29488, 682460), (31040, 648337), (34123, 589760), (36860, 545968), (58976, 341230), (68246, 294880), (73720, 272984), (117952, 170615), (136492, 147440)]