31273180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 67695264

約数和(自身を除く): 36422084

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 163, 181, 212, 265, 326, 362, 530, 652, 724, 815, 905, 1060, 1630, 1810, 3260, 3620, 8639, 9593, 17278, 19186, 29503, 34556, 38372, 43195, 47965, 59006, 86390, 95930, 118012, 147515, 172780, 191860, 295030, 590060, 1563659, 3127318, 6254636, 7818295, 15636590, 31273180]

約数ペア:

[(1, 31273180), (2, 15636590), (4, 7818295), (5, 6254636), (10, 3127318), (20, 1563659), (53, 590060), (106, 295030), (163, 191860), (181, 172780), (212, 147515), (265, 118012), (326, 95930), (362, 86390), (530, 59006), (652, 47965), (724, 43195), (815, 38372), (905, 34556), (1060, 29503), (1630, 19186), (1810, 17278), (3260, 9593), (3620, 8639)]