12778834400

素因数分解:

$2^5\times 5^2\times {\mathrm{1291}}^1\times {\mathrm{12373}}^1$

素因数の和:13684

約数の個数: 72

約数和(自身を含む): 31223017224

約数和(自身を除く): 18444182824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 1291, 2582, 5164, 6455, 10328, 12373, 12910, 20656, 24746, 25820, 32275, 41312, 49492, 51640, 61865, 64550, 98984, 103280, 123730, 129100, 197968, 206560, 247460, 258200, 309325, 395936, 494920, 516400, 618650, 989840, 1032800, 1237300, 1979680, 2474600, 4949200, 9898400, 15973543, 31947086, 63894172, 79867715, 127788344, 159735430, 255576688, 319470860, 399338575, 511153376, 638941720, 798677150, 1277883440, 1597354300, 2555766880, 3194708600, 6389417200, 12778834400]

約数ペア:

[(1, 12778834400), (2, 6389417200), (4, 3194708600), (5, 2555766880), (8, 1597354300), (10, 1277883440), (16, 798677150), (20, 638941720), (25, 511153376), (32, 399338575), (40, 319470860), (50, 255576688), (80, 159735430), (100, 127788344), (160, 79867715), (200, 63894172), (400, 31947086), (800, 15973543), (1291, 9898400), (2582, 4949200), (5164, 2474600), (6455, 1979680), (10328, 1237300), (12373, 1032800), (12910, 989840), (20656, 618650), (24746, 516400), (25820, 494920), (32275, 395936), (41312, 309325), (49492, 258200), (51640, 247460), (61865, 206560), (64550, 197968), (98984, 129100), (103280, 123730)]