51620140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18049}}^1$

素因数の和:18082

約数の個数: 48

約数和(自身を含む): 127360800

約数和(自身を除く): 75740660

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 18049, 36098, 72196, 90245, 180490, 198539, 234637, 360980, 397078, 469274, 794156, 938548, 992695, 1173185, 1985390, 2346370, 2581007, 3970780, 4692740, 5162014, 10324028, 12905035, 25810070, 51620140]

約数ペア:

[(1, 51620140), (2, 25810070), (4, 12905035), (5, 10324028), (10, 5162014), (11, 4692740), (13, 3970780), (20, 2581007), (22, 2346370), (26, 1985390), (44, 1173185), (52, 992695), (55, 938548), (65, 794156), (110, 469274), (130, 397078), (143, 360980), (220, 234637), (260, 198539), (286, 180490), (572, 90245), (715, 72196), (1430, 36098), (2860, 18049)]