65149780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2153}}^1$

素因数の和:2268

約数の個数: 48

約数和(自身を含む): 146558160

約数和(自身を除く): 81408380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 2153, 3026, 4306, 6052, 7565, 8612, 10765, 15130, 21530, 30260, 36601, 43060, 73202, 146404, 183005, 191617, 366010, 383234, 732020, 766468, 958085, 1916170, 3257489, 3832340, 6514978, 13029956, 16287445, 32574890, 65149780]

約数ペア:

[(1, 65149780), (2, 32574890), (4, 16287445), (5, 13029956), (10, 6514978), (17, 3832340), (20, 3257489), (34, 1916170), (68, 958085), (85, 766468), (89, 732020), (170, 383234), (178, 366010), (340, 191617), (356, 183005), (445, 146404), (890, 73202), (1513, 43060), (1780, 36601), (2153, 30260), (3026, 21530), (4306, 15130), (6052, 10765), (7565, 8612)]