56840420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31231}}^1$

素因数の和:31260

約数の個数: 48

約数和(自身を含む): 146915328

約数和(自身を除く): 90074908

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 31231, 62462, 124924, 156155, 218617, 312310, 406003, 437234, 624620, 812006, 874468, 1093085, 1624012, 2030015, 2186170, 2842021, 4060030, 4372340, 5684042, 8120060, 11368084, 14210105, 28420210, 56840420]

約数ペア:

[(1, 56840420), (2, 28420210), (4, 14210105), (5, 11368084), (7, 8120060), (10, 5684042), (13, 4372340), (14, 4060030), (20, 2842021), (26, 2186170), (28, 2030015), (35, 1624012), (52, 1093085), (65, 874468), (70, 812006), (91, 624620), (130, 437234), (140, 406003), (182, 312310), (260, 218617), (364, 156155), (455, 124924), (910, 62462), (1820, 31231)]