29986760

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2917}}^1$

素因数の和:3185

約数の個数: 32

約数和(自身を含む): 67755960

約数和(自身を除く): 37769200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 2917, 5140, 5834, 10280, 11668, 14585, 23336, 29170, 58340, 116680, 749669, 1499338, 2998676, 3748345, 5997352, 7496690, 14993380, 29986760]

約数ペア:

[(1, 29986760), (2, 14993380), (4, 7496690), (5, 5997352), (8, 3748345), (10, 2998676), (20, 1499338), (40, 749669), (257, 116680), (514, 58340), (1028, 29170), (1285, 23336), (2056, 14585), (2570, 11668), (2917, 10280), (5140, 5834)]