87505720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{35863}}^1$

素因数の和:35935

約数の個数: 32

約数和(自身を含む): 200121120

約数和(自身を除く): 112615400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 35863, 71726, 143452, 179315, 286904, 358630, 717260, 1434520, 2187643, 4375286, 8750572, 10938215, 17501144, 21876430, 43752860, 87505720]

約数ペア:

[(1, 87505720), (2, 43752860), (4, 21876430), (5, 17501144), (8, 10938215), (10, 8750572), (20, 4375286), (40, 2187643), (61, 1434520), (122, 717260), (244, 358630), (305, 286904), (488, 179315), (610, 143452), (1220, 71726), (2440, 35863)]