4065175280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1\times {\mathrm{2099}}^1$

素因数の和:2718

約数の個数: 80

約数和(自身を含む): 9693129600

約数和(自身を除く): 5627954320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 563, 688, 860, 1126, 1720, 2099, 2252, 2815, 3440, 4198, 4504, 5630, 8396, 9008, 10495, 11260, 16792, 20990, 22520, 24209, 33584, 41980, 45040, 48418, 83960, 90257, 96836, 121045, 167920, 180514, 193672, 242090, 361028, 387344, 451285, 484180, 722056, 902570, 968360, 1181737, 1444112, 1805140, 1936720, 2363474, 3610280, 4726948, 5908685, 7220560, 9453896, 11817370, 18907792, 23634740, 47269480, 50814691, 94538960, 101629382, 203258764, 254073455, 406517528, 508146910, 813035056, 1016293820, 2032587640, 4065175280]

約数ペア:

[(1, 4065175280), (2, 2032587640), (4, 1016293820), (5, 813035056), (8, 508146910), (10, 406517528), (16, 254073455), (20, 203258764), (40, 101629382), (43, 94538960), (80, 50814691), (86, 47269480), (172, 23634740), (215, 18907792), (344, 11817370), (430, 9453896), (563, 7220560), (688, 5908685), (860, 4726948), (1126, 3610280), (1720, 2363474), (2099, 1936720), (2252, 1805140), (2815, 1444112), (3440, 1181737), (4198, 968360), (4504, 902570), (5630, 722056), (8396, 484180), (9008, 451285), (10495, 387344), (11260, 361028), (16792, 242090), (20990, 193672), (22520, 180514), (24209, 167920), (33584, 121045), (41980, 96836), (45040, 90257), (48418, 83960)]