25621980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9931}}^1$

素因数の和:9986

約数の個数: 48

約数和(自身を含む): 73417344

約数和(自身を除く): 47795364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 9931, 19862, 29793, 39724, 49655, 59586, 99310, 119172, 148965, 198620, 297930, 427033, 595860, 854066, 1281099, 1708132, 2135165, 2562198, 4270330, 5124396, 6405495, 8540660, 12810990, 25621980]

約数ペア:

[(1, 25621980), (2, 12810990), (3, 8540660), (4, 6405495), (5, 5124396), (6, 4270330), (10, 2562198), (12, 2135165), (15, 1708132), (20, 1281099), (30, 854066), (43, 595860), (60, 427033), (86, 297930), (129, 198620), (172, 148965), (215, 119172), (258, 99310), (430, 59586), (516, 49655), (645, 39724), (860, 29793), (1290, 19862), (2580, 9931)]