25780050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{971}}^1$

素因数の和:1048

約数の個数: 72

約数和(自身を含む): 70508880

約数和(自身を除く): 44728830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 59, 75, 90, 118, 150, 177, 225, 295, 354, 450, 531, 590, 885, 971, 1062, 1475, 1770, 1942, 2655, 2913, 2950, 4425, 4855, 5310, 5826, 8739, 8850, 9710, 13275, 14565, 17478, 24275, 26550, 29130, 43695, 48550, 57289, 72825, 87390, 114578, 145650, 171867, 218475, 286445, 343734, 436950, 515601, 572890, 859335, 1031202, 1432225, 1718670, 2578005, 2864450, 4296675, 5156010, 8593350, 12890025, 25780050]

約数ペア:

[(1, 25780050), (2, 12890025), (3, 8593350), (5, 5156010), (6, 4296675), (9, 2864450), (10, 2578005), (15, 1718670), (18, 1432225), (25, 1031202), (30, 859335), (45, 572890), (50, 515601), (59, 436950), (75, 343734), (90, 286445), (118, 218475), (150, 171867), (177, 145650), (225, 114578), (295, 87390), (354, 72825), (450, 57289), (531, 48550), (590, 43695), (885, 29130), (971, 26550), (1062, 24275), (1475, 17478), (1770, 14565), (1942, 13275), (2655, 9710), (2913, 8850), (2950, 8739), (4425, 5826), (4855, 5310)]