7977280

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:371

約数の個数: 56

約数和(自身を含む): 19266408

約数和(自身を除く): 11289128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 160, 194, 257, 320, 388, 485, 514, 776, 970, 1028, 1285, 1552, 1940, 2056, 2570, 3104, 3880, 4112, 5140, 6208, 7760, 8224, 10280, 15520, 16448, 20560, 24929, 31040, 41120, 49858, 82240, 99716, 124645, 199432, 249290, 398864, 498580, 797728, 997160, 1595456, 1994320, 3988640, 7977280]

約数ペア:

[(1, 7977280), (2, 3988640), (4, 1994320), (5, 1595456), (8, 997160), (10, 797728), (16, 498580), (20, 398864), (32, 249290), (40, 199432), (64, 124645), (80, 99716), (97, 82240), (160, 49858), (194, 41120), (257, 31040), (320, 24929), (388, 20560), (485, 16448), (514, 15520), (776, 10280), (970, 8224), (1028, 7760), (1285, 6208), (1552, 5140), (1940, 4112), (2056, 3880), (2570, 3104)]