37988780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 82435584

約数和(自身を除く): 44446804

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 163, 172, 215, 271, 326, 430, 542, 652, 815, 860, 1084, 1355, 1630, 2710, 3260, 5420, 7009, 11653, 14018, 23306, 28036, 35045, 44173, 46612, 58265, 70090, 88346, 116530, 140180, 176692, 220865, 233060, 441730, 883460, 1899439, 3798878, 7597756, 9497195, 18994390, 37988780]

約数ペア:

[(1, 37988780), (2, 18994390), (4, 9497195), (5, 7597756), (10, 3798878), (20, 1899439), (43, 883460), (86, 441730), (163, 233060), (172, 220865), (215, 176692), (271, 140180), (326, 116530), (430, 88346), (542, 70090), (652, 58265), (815, 46612), (860, 44173), (1084, 35045), (1355, 28036), (1630, 23306), (2710, 14018), (3260, 11653), (5420, 7009)]