8135920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7823}}^1$

素因数の和:7849

約数の個数: 40

約数和(自身を含む): 20373696

約数和(自身を除く): 12237776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7823, 15646, 31292, 39115, 62584, 78230, 101699, 125168, 156460, 203398, 312920, 406796, 508495, 625840, 813592, 1016990, 1627184, 2033980, 4067960, 8135920]

約数ペア:

[(1, 8135920), (2, 4067960), (4, 2033980), (5, 1627184), (8, 1016990), (10, 813592), (13, 625840), (16, 508495), (20, 406796), (26, 312920), (40, 203398), (52, 156460), (65, 125168), (80, 101699), (104, 78230), (130, 62584), (208, 39115), (260, 31292), (520, 15646), (1040, 7823)]