25151560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2089}}^1$

素因数の和:2150

約数の個数: 64

約数和(自身を含む): 66211200

約数和(自身を除く): 41059640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2089, 2408, 3010, 4178, 6020, 8356, 10445, 12040, 14623, 16712, 20890, 29246, 41780, 58492, 73115, 83560, 89827, 116984, 146230, 179654, 292460, 359308, 449135, 584920, 628789, 718616, 898270, 1257578, 1796540, 2515156, 3143945, 3593080, 5030312, 6287890, 12575780, 25151560]

約数ペア:

[(1, 25151560), (2, 12575780), (4, 6287890), (5, 5030312), (7, 3593080), (8, 3143945), (10, 2515156), (14, 1796540), (20, 1257578), (28, 898270), (35, 718616), (40, 628789), (43, 584920), (56, 449135), (70, 359308), (86, 292460), (140, 179654), (172, 146230), (215, 116984), (280, 89827), (301, 83560), (344, 73115), (430, 58492), (602, 41780), (860, 29246), (1204, 20890), (1505, 16712), (1720, 14623), (2089, 12040), (2408, 10445), (3010, 8356), (4178, 6020)]