42639760

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7507}}^1$

素因数の和:7591

約数の個数: 40

約数和(自身を含む): 100547136

約数和(自身を除く): 57907376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 7507, 15014, 30028, 37535, 60056, 75070, 120112, 150140, 300280, 532997, 600560, 1065994, 2131988, 2664985, 4263976, 5329970, 8527952, 10659940, 21319880, 42639760]

約数ペア:

[(1, 42639760), (2, 21319880), (4, 10659940), (5, 8527952), (8, 5329970), (10, 4263976), (16, 2664985), (20, 2131988), (40, 1065994), (71, 600560), (80, 532997), (142, 300280), (284, 150140), (355, 120112), (568, 75070), (710, 60056), (1136, 37535), (1420, 30028), (2840, 15014), (5680, 7507)]