12711228280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1\times {\mathrm{19813}}^1$

素因数の和:20240

約数の個数: 64

約数和(自身を含む): 29345326560

約数和(自身を除く): 16634098280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 373, 430, 746, 860, 1492, 1720, 1865, 2984, 3730, 7460, 14920, 16039, 19813, 32078, 39626, 64156, 79252, 80195, 99065, 128312, 158504, 160390, 198130, 320780, 396260, 641560, 792520, 851959, 1703918, 3407836, 4259795, 6815672, 7390249, 8519590, 14780498, 17039180, 29560996, 34078360, 36951245, 59121992, 73902490, 147804980, 295609960, 317780707, 635561414, 1271122828, 1588903535, 2542245656, 3177807070, 6355614140, 12711228280]

約数ペア:

[(1, 12711228280), (2, 6355614140), (4, 3177807070), (5, 2542245656), (8, 1588903535), (10, 1271122828), (20, 635561414), (40, 317780707), (43, 295609960), (86, 147804980), (172, 73902490), (215, 59121992), (344, 36951245), (373, 34078360), (430, 29560996), (746, 17039180), (860, 14780498), (1492, 8519590), (1720, 7390249), (1865, 6815672), (2984, 4259795), (3730, 3407836), (7460, 1703918), (14920, 851959), (16039, 792520), (19813, 641560), (32078, 396260), (39626, 320780), (64156, 198130), (79252, 160390), (80195, 158504), (99065, 128312)]