65955980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{283}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 142754304

約数和(自身を除く): 76798324

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 271, 283, 430, 542, 566, 860, 1084, 1132, 1355, 1415, 2710, 2830, 5420, 5660, 11653, 12169, 23306, 24338, 46612, 48676, 58265, 60845, 76693, 116530, 121690, 153386, 233060, 243380, 306772, 383465, 766930, 1533860, 3297799, 6595598, 13191196, 16488995, 32977990, 65955980]

約数ペア:

[(1, 65955980), (2, 32977990), (4, 16488995), (5, 13191196), (10, 6595598), (20, 3297799), (43, 1533860), (86, 766930), (172, 383465), (215, 306772), (271, 243380), (283, 233060), (430, 153386), (542, 121690), (566, 116530), (860, 76693), (1084, 60845), (1132, 58265), (1355, 48676), (1415, 46612), (2710, 24338), (2830, 23306), (5420, 12169), (5660, 11653)]