13191220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1597}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 32215680

約数和(自身を除く): 19024460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1597, 1652, 2065, 3194, 4130, 6388, 7985, 8260, 11179, 15970, 22358, 31940, 44716, 55895, 94223, 111790, 188446, 223580, 376892, 471115, 659561, 942230, 1319122, 1884460, 2638244, 3297805, 6595610, 13191220]

約数ペア:

[(1, 13191220), (2, 6595610), (4, 3297805), (5, 2638244), (7, 1884460), (10, 1319122), (14, 942230), (20, 659561), (28, 471115), (35, 376892), (59, 223580), (70, 188446), (118, 111790), (140, 94223), (236, 55895), (295, 44716), (413, 31940), (590, 22358), (826, 15970), (1180, 11179), (1597, 8260), (1652, 7985), (2065, 6388), (3194, 4130)]