66864040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{907}}^1$

素因数の和:1034

約数の個数: 64

約数和(自身を含む): 160171200

約数和(自身を除く): 93307160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 152, 190, 194, 380, 388, 485, 760, 776, 907, 970, 1814, 1843, 1940, 3628, 3686, 3880, 4535, 7256, 7372, 9070, 9215, 14744, 17233, 18140, 18430, 34466, 36280, 36860, 68932, 73720, 86165, 87979, 137864, 172330, 175958, 344660, 351916, 439895, 689320, 703832, 879790, 1671601, 1759580, 3343202, 3519160, 6686404, 8358005, 13372808, 16716010, 33432020, 66864040]

約数ペア:

[(1, 66864040), (2, 33432020), (4, 16716010), (5, 13372808), (8, 8358005), (10, 6686404), (19, 3519160), (20, 3343202), (38, 1759580), (40, 1671601), (76, 879790), (95, 703832), (97, 689320), (152, 439895), (190, 351916), (194, 344660), (380, 175958), (388, 172330), (485, 137864), (760, 87979), (776, 86165), (907, 73720), (970, 68932), (1814, 36860), (1843, 36280), (1940, 34466), (3628, 18430), (3686, 18140), (3880, 17233), (4535, 14744), (7256, 9215), (7372, 9070)]