66625520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64063}}^1$

素因数の和:64089

約数の個数: 40

約数和(自身を含む): 166822656

約数和(自身を除く): 100197136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 64063, 128126, 256252, 320315, 512504, 640630, 832819, 1025008, 1281260, 1665638, 2562520, 3331276, 4164095, 5125040, 6662552, 8328190, 13325104, 16656380, 33312760, 66625520]

約数ペア:

[(1, 66625520), (2, 33312760), (4, 16656380), (5, 13325104), (8, 8328190), (10, 6662552), (13, 5125040), (16, 4164095), (20, 3331276), (26, 2562520), (40, 1665638), (52, 1281260), (65, 1025008), (80, 832819), (104, 640630), (130, 512504), (208, 320315), (260, 256252), (520, 128126), (1040, 64063)]