80293840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91243}}^1$

素因数の和:91267

約数の個数: 40

約数和(自身を含む): 203656608

約数和(自身を除く): 123362768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 91243, 182486, 364972, 456215, 729944, 912430, 1003673, 1459888, 1824860, 2007346, 3649720, 4014692, 5018365, 7299440, 8029384, 10036730, 16058768, 20073460, 40146920, 80293840]

約数ペア:

[(1, 80293840), (2, 40146920), (4, 20073460), (5, 16058768), (8, 10036730), (10, 8029384), (11, 7299440), (16, 5018365), (20, 4014692), (22, 3649720), (40, 2007346), (44, 1824860), (55, 1459888), (80, 1003673), (88, 912430), (110, 729944), (176, 456215), (220, 364972), (440, 182486), (880, 91243)]