40047280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5501}}^1$

素因数の和:5534

約数の個数: 80

約数和(自身を含む): 114617664

約数和(自身を除く): 74570384

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 5501, 7280, 11002, 22004, 27505, 38507, 44008, 55010, 71513, 77014, 88016, 110020, 143026, 154028, 192535, 220040, 286052, 308056, 357565, 385070, 440080, 500591, 572104, 616112, 715130, 770140, 1001182, 1144208, 1430260, 1540280, 2002364, 2502955, 2860520, 3080560, 4004728, 5005910, 5721040, 8009456, 10011820, 20023640, 40047280]

約数ペア:

[(1, 40047280), (2, 20023640), (4, 10011820), (5, 8009456), (7, 5721040), (8, 5005910), (10, 4004728), (13, 3080560), (14, 2860520), (16, 2502955), (20, 2002364), (26, 1540280), (28, 1430260), (35, 1144208), (40, 1001182), (52, 770140), (56, 715130), (65, 616112), (70, 572104), (80, 500591), (91, 440080), (104, 385070), (112, 357565), (130, 308056), (140, 286052), (182, 220040), (208, 192535), (260, 154028), (280, 143026), (364, 110020), (455, 88016), (520, 77014), (560, 71513), (728, 55010), (910, 44008), (1040, 38507), (1456, 27505), (1820, 22004), (3640, 11002), (5501, 7280)]