71225840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127189}}^1$

素因数の和:127209

約数の個数: 40

約数和(自身を含む): 189258720

約数和(自身を除く): 118032880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 127189, 254378, 508756, 635945, 890323, 1017512, 1271890, 1780646, 2035024, 2543780, 3561292, 4451615, 5087560, 7122584, 8903230, 10175120, 14245168, 17806460, 35612920, 71225840]

約数ペア:

[(1, 71225840), (2, 35612920), (4, 17806460), (5, 14245168), (7, 10175120), (8, 8903230), (10, 7122584), (14, 5087560), (16, 4451615), (20, 3561292), (28, 2543780), (35, 2035024), (40, 1780646), (56, 1271890), (70, 1017512), (80, 890323), (112, 635945), (140, 508756), (280, 254378), (560, 127189)]