40890160

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5743}}^1$

素因数の和:5845

約数の個数: 40

約数和(自身を含む): 96154560

約数和(自身を除く): 55264400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 5743, 7120, 11486, 22972, 28715, 45944, 57430, 91888, 114860, 229720, 459440, 511127, 1022254, 2044508, 2555635, 4089016, 5111270, 8178032, 10222540, 20445080, 40890160]

約数ペア:

[(1, 40890160), (2, 20445080), (4, 10222540), (5, 8178032), (8, 5111270), (10, 4089016), (16, 2555635), (20, 2044508), (40, 1022254), (80, 511127), (89, 459440), (178, 229720), (356, 114860), (445, 91888), (712, 57430), (890, 45944), (1424, 28715), (1780, 22972), (3560, 11486), (5743, 7120)]