1025421410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{254447}}^1$

素因数の和:254498

約数の個数: 32

約数和(自身を含む): 2051868672

約数和(自身を除く): 1026447262

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 254447, 508894, 1272235, 2544470, 3307811, 6615622, 7887857, 15775714, 16539055, 33078110, 39439285, 78878570, 102542141, 205084282, 512710705, 1025421410]

約数ペア:

[(1, 1025421410), (2, 512710705), (5, 205084282), (10, 102542141), (13, 78878570), (26, 39439285), (31, 33078110), (62, 16539055), (65, 15775714), (130, 7887857), (155, 6615622), (310, 3307811), (403, 2544470), (806, 1272235), (2015, 508894), (4030, 254447)]