8339660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 20321280

約数和(自身を除く): 11981620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 839, 994, 1420, 1678, 1988, 2485, 3356, 4195, 4970, 5873, 8390, 9940, 11746, 16780, 23492, 29365, 58730, 59569, 117460, 119138, 238276, 297845, 416983, 595690, 833966, 1191380, 1667932, 2084915, 4169830, 8339660]

約数ペア:

[(1, 8339660), (2, 4169830), (4, 2084915), (5, 1667932), (7, 1191380), (10, 833966), (14, 595690), (20, 416983), (28, 297845), (35, 238276), (70, 119138), (71, 117460), (140, 59569), (142, 58730), (284, 29365), (355, 23492), (497, 16780), (710, 11746), (839, 9940), (994, 8390), (1420, 5873), (1678, 4970), (1988, 4195), (2485, 3356)]