78523120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75503}}^1$

素因数の和:75529

約数の個数: 40

約数和(自身を含む): 196612416

約数和(自身を除く): 118089296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 75503, 151006, 302012, 377515, 604024, 755030, 981539, 1208048, 1510060, 1963078, 3020120, 3926156, 4907695, 6040240, 7852312, 9815390, 15704624, 19630780, 39261560, 78523120]

約数ペア:

[(1, 78523120), (2, 39261560), (4, 19630780), (5, 15704624), (8, 9815390), (10, 7852312), (13, 6040240), (16, 4907695), (20, 3926156), (26, 3020120), (40, 1963078), (52, 1510060), (65, 1208048), (80, 981539), (104, 755030), (130, 604024), (208, 377515), (260, 302012), (520, 151006), (1040, 75503)]