80168972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{1901}}^1$

素因数の和:2729

約数の個数: 24

約数和(自身を含む): 151353552

約数和(自身を除く): 71184580

約数列:

[1, 2, 4, 13, 26, 52, 811, 1622, 1901, 3244, 3802, 7604, 10543, 21086, 24713, 42172, 49426, 98852, 1541711, 3083422, 6166844, 20042243, 40084486, 80168972]

約数ペア:

[(1, 80168972), (2, 40084486), (4, 20042243), (13, 6166844), (26, 3083422), (52, 1541711), (811, 98852), (1622, 49426), (1901, 42172), (3244, 24713), (3802, 21086), (7604, 10543)]