81806450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2521}}^1$

素因数の和:2603

約数の個数: 48

約数和(自身を含む): 168873120

約数和(自身を除く): 87066670

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 59, 110, 118, 275, 295, 550, 590, 649, 1298, 1475, 2521, 2950, 3245, 5042, 6490, 12605, 16225, 25210, 27731, 32450, 55462, 63025, 126050, 138655, 148739, 277310, 297478, 693275, 743695, 1386550, 1487390, 1636129, 3272258, 3718475, 7436950, 8180645, 16361290, 40903225, 81806450]

約数ペア:

[(1, 81806450), (2, 40903225), (5, 16361290), (10, 8180645), (11, 7436950), (22, 3718475), (25, 3272258), (50, 1636129), (55, 1487390), (59, 1386550), (110, 743695), (118, 693275), (275, 297478), (295, 277310), (550, 148739), (590, 138655), (649, 126050), (1298, 63025), (1475, 55462), (2521, 32450), (2950, 27731), (3245, 25210), (5042, 16225), (6490, 12605)]