25105980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 74156544

約数和(自身を除く): 49050564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 43, 60, 74, 86, 111, 129, 148, 172, 185, 215, 222, 258, 263, 370, 430, 444, 516, 526, 555, 645, 740, 789, 860, 1052, 1110, 1290, 1315, 1578, 1591, 2220, 2580, 2630, 3156, 3182, 3945, 4773, 5260, 6364, 7890, 7955, 9546, 9731, 11309, 15780, 15910, 19092, 19462, 22618, 23865, 29193, 31820, 33927, 38924, 45236, 47730, 48655, 56545, 58386, 67854, 95460, 97310, 113090, 116772, 135708, 145965, 169635, 194620, 226180, 291930, 339270, 418433, 583860, 678540, 836866, 1255299, 1673732, 2092165, 2510598, 4184330, 5021196, 6276495, 8368660, 12552990, 25105980]

約数ペア:

[(1, 25105980), (2, 12552990), (3, 8368660), (4, 6276495), (5, 5021196), (6, 4184330), (10, 2510598), (12, 2092165), (15, 1673732), (20, 1255299), (30, 836866), (37, 678540), (43, 583860), (60, 418433), (74, 339270), (86, 291930), (111, 226180), (129, 194620), (148, 169635), (172, 145965), (185, 135708), (215, 116772), (222, 113090), (258, 97310), (263, 95460), (370, 67854), (430, 58386), (444, 56545), (516, 48655), (526, 47730), (555, 45236), (645, 38924), (740, 33927), (789, 31820), (860, 29193), (1052, 23865), (1110, 22618), (1290, 19462), (1315, 19092), (1578, 15910), (1591, 15780), (2220, 11309), (2580, 9731), (2630, 9546), (3156, 7955), (3182, 7890), (3945, 6364), (4773, 5260)]