4067960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7823}}^1$

素因数の和:7847

約数の個数: 32

約数和(自身を含む): 9858240

約数和(自身を除く): 5790280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 7823, 15646, 31292, 39115, 62584, 78230, 101699, 156460, 203398, 312920, 406796, 508495, 813592, 1016990, 2033980, 4067960]

約数ペア:

[(1, 4067960), (2, 2033980), (4, 1016990), (5, 813592), (8, 508495), (10, 406796), (13, 312920), (20, 203398), (26, 156460), (40, 101699), (52, 78230), (65, 62584), (104, 39115), (130, 31292), (260, 15646), (520, 7823)]