81027650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:320

約数の個数: 72

約数和(自身を含む): 169207920

約数和(自身を除く): 88180270

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 59, 110, 118, 121, 227, 242, 275, 295, 454, 550, 590, 605, 649, 1135, 1210, 1298, 1475, 2270, 2497, 2950, 3025, 3245, 4994, 5675, 6050, 6490, 7139, 11350, 12485, 13393, 14278, 16225, 24970, 26786, 27467, 32450, 35695, 54934, 62425, 66965, 71390, 124850, 133930, 137335, 147323, 178475, 274670, 294646, 334825, 356950, 669650, 686675, 736615, 1373350, 1473230, 1620553, 3241106, 3683075, 7366150, 8102765, 16205530, 40513825, 81027650]

約数ペア:

[(1, 81027650), (2, 40513825), (5, 16205530), (10, 8102765), (11, 7366150), (22, 3683075), (25, 3241106), (50, 1620553), (55, 1473230), (59, 1373350), (110, 736615), (118, 686675), (121, 669650), (227, 356950), (242, 334825), (275, 294646), (295, 274670), (454, 178475), (550, 147323), (590, 137335), (605, 133930), (649, 124850), (1135, 71390), (1210, 66965), (1298, 62425), (1475, 54934), (2270, 35695), (2497, 32450), (2950, 27467), (3025, 26786), (3245, 24970), (4994, 16225), (5675, 14278), (6050, 13393), (6490, 12485), (7139, 11350)]