25223660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1489}}^1$

素因数の和:1527

約数の個数: 72

約数和(自身を含む): 66585120

約数和(自身を除く): 41361460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1489, 1540, 1694, 2420, 2978, 3388, 4235, 5956, 7445, 8470, 10423, 14890, 16379, 16940, 20846, 29780, 32758, 41692, 52115, 65516, 81895, 104230, 114653, 163790, 180169, 208460, 229306, 327580, 360338, 458612, 573265, 720676, 900845, 1146530, 1261183, 1801690, 2293060, 2522366, 3603380, 5044732, 6305915, 12611830, 25223660]

約数ペア:

[(1, 25223660), (2, 12611830), (4, 6305915), (5, 5044732), (7, 3603380), (10, 2522366), (11, 2293060), (14, 1801690), (20, 1261183), (22, 1146530), (28, 900845), (35, 720676), (44, 573265), (55, 458612), (70, 360338), (77, 327580), (110, 229306), (121, 208460), (140, 180169), (154, 163790), (220, 114653), (242, 104230), (308, 81895), (385, 65516), (484, 52115), (605, 41692), (770, 32758), (847, 29780), (1210, 20846), (1489, 16940), (1540, 16379), (1694, 14890), (2420, 10423), (2978, 8470), (3388, 7445), (4235, 5956)]