25315720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{631}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 61430400

約数和(自身を除く): 36114680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 236, 295, 340, 472, 590, 631, 680, 1003, 1180, 1262, 2006, 2360, 2524, 3155, 4012, 5015, 5048, 6310, 8024, 10030, 10727, 12620, 20060, 21454, 25240, 37229, 40120, 42908, 53635, 74458, 85816, 107270, 148916, 186145, 214540, 297832, 372290, 429080, 632893, 744580, 1265786, 1489160, 2531572, 3164465, 5063144, 6328930, 12657860, 25315720]

約数ペア:

[(1, 25315720), (2, 12657860), (4, 6328930), (5, 5063144), (8, 3164465), (10, 2531572), (17, 1489160), (20, 1265786), (34, 744580), (40, 632893), (59, 429080), (68, 372290), (85, 297832), (118, 214540), (136, 186145), (170, 148916), (236, 107270), (295, 85816), (340, 74458), (472, 53635), (590, 42908), (631, 40120), (680, 37229), (1003, 25240), (1180, 21454), (1262, 20060), (2006, 12620), (2360, 10727), (2524, 10030), (3155, 8024), (4012, 6310), (5015, 5048)]