25530260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{631}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 65192064

約数和(自身を除く): 39661804

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 289, 340, 476, 578, 595, 631, 1156, 1190, 1262, 1445, 2023, 2380, 2524, 2890, 3155, 4046, 4417, 5780, 6310, 8092, 8834, 10115, 10727, 12620, 17668, 20230, 21454, 22085, 40460, 42908, 44170, 53635, 75089, 88340, 107270, 150178, 182359, 214540, 300356, 364718, 375445, 729436, 750890, 911795, 1276513, 1501780, 1823590, 2553026, 3647180, 5106052, 6382565, 12765130, 25530260]

約数ペア:

[(1, 25530260), (2, 12765130), (4, 6382565), (5, 5106052), (7, 3647180), (10, 2553026), (14, 1823590), (17, 1501780), (20, 1276513), (28, 911795), (34, 750890), (35, 729436), (68, 375445), (70, 364718), (85, 300356), (119, 214540), (140, 182359), (170, 150178), (238, 107270), (289, 88340), (340, 75089), (476, 53635), (578, 44170), (595, 42908), (631, 40460), (1156, 22085), (1190, 21454), (1262, 20230), (1445, 17668), (2023, 12620), (2380, 10727), (2524, 10115), (2890, 8834), (3155, 8092), (4046, 6310), (4417, 5780)]