86786920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197243}}^1$

素因数の和:197265

約数の個数: 32

約数和(自身を含む): 213023520

約数和(自身を除く): 126236600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 197243, 394486, 788972, 986215, 1577944, 1972430, 2169673, 3944860, 4339346, 7889720, 8678692, 10848365, 17357384, 21696730, 43393460, 86786920]

約数ペア:

[(1, 86786920), (2, 43393460), (4, 21696730), (5, 17357384), (8, 10848365), (10, 8678692), (11, 7889720), (20, 4339346), (22, 3944860), (40, 2169673), (44, 1972430), (55, 1577944), (88, 986215), (110, 788972), (220, 394486), (440, 197243)]