42689480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 100224000

約数和(自身を除く): 57534520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 173, 199, 248, 310, 346, 398, 620, 692, 796, 865, 995, 1240, 1384, 1592, 1730, 1990, 3460, 3980, 5363, 6169, 6920, 7960, 10726, 12338, 21452, 24676, 26815, 30845, 34427, 42904, 49352, 53630, 61690, 68854, 107260, 123380, 137708, 172135, 214520, 246760, 275416, 344270, 688540, 1067237, 1377080, 2134474, 4268948, 5336185, 8537896, 10672370, 21344740, 42689480]

約数ペア:

[(1, 42689480), (2, 21344740), (4, 10672370), (5, 8537896), (8, 5336185), (10, 4268948), (20, 2134474), (31, 1377080), (40, 1067237), (62, 688540), (124, 344270), (155, 275416), (173, 246760), (199, 214520), (248, 172135), (310, 137708), (346, 123380), (398, 107260), (620, 68854), (692, 61690), (796, 53630), (865, 49352), (995, 42904), (1240, 34427), (1384, 30845), (1592, 26815), (1730, 24676), (1990, 21452), (3460, 12338), (3980, 10726), (5363, 7960), (6169, 6920)]