25378480

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{10939}}^1$

素因数の和:10981

約数の個数: 40

約数和(自身を含む): 61045200

約数和(自身を除く): 35666720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 10939, 21878, 43756, 54695, 87512, 109390, 175024, 218780, 317231, 437560, 634462, 875120, 1268924, 1586155, 2537848, 3172310, 5075696, 6344620, 12689240, 25378480]

約数ペア:

[(1, 25378480), (2, 12689240), (4, 6344620), (5, 5075696), (8, 3172310), (10, 2537848), (16, 1586155), (20, 1268924), (29, 875120), (40, 634462), (58, 437560), (80, 317231), (116, 218780), (145, 175024), (232, 109390), (290, 87512), (464, 54695), (580, 43756), (1160, 21878), (2320, 10939)]