25976860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2039}}^1$

素因数の和:2075

約数の個数: 72

約数和(自身を含む): 68372640

約数和(自身を除く): 42395780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2039, 2548, 3185, 4078, 6370, 8156, 10195, 12740, 14273, 20390, 26507, 28546, 40780, 53014, 57092, 71365, 99911, 106028, 132535, 142730, 185549, 199822, 265070, 285460, 371098, 399644, 499555, 530140, 742196, 927745, 999110, 1298843, 1855490, 1998220, 2597686, 3710980, 5195372, 6494215, 12988430, 25976860]

約数ペア:

[(1, 25976860), (2, 12988430), (4, 6494215), (5, 5195372), (7, 3710980), (10, 2597686), (13, 1998220), (14, 1855490), (20, 1298843), (26, 999110), (28, 927745), (35, 742196), (49, 530140), (52, 499555), (65, 399644), (70, 371098), (91, 285460), (98, 265070), (130, 199822), (140, 185549), (182, 142730), (196, 132535), (245, 106028), (260, 99911), (364, 71365), (455, 57092), (490, 53014), (637, 40780), (910, 28546), (980, 26507), (1274, 20390), (1820, 14273), (2039, 12740), (2548, 10195), (3185, 8156), (4078, 6370)]