2580953980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{378439}}^1$

素因数の和:378490

約数の個数: 48

約数和(自身を含む): 6103480320

約数和(自身を除く): 3522526340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 378439, 756878, 1513756, 1892195, 3784390, 4162829, 7568780, 8325658, 11731609, 16651316, 20814145, 23463218, 41628290, 46926436, 58658045, 83256580, 117316090, 129047699, 234632180, 258095398, 516190796, 645238495, 1290476990, 2580953980]

約数ペア:

[(1, 2580953980), (2, 1290476990), (4, 645238495), (5, 516190796), (10, 258095398), (11, 234632180), (20, 129047699), (22, 117316090), (31, 83256580), (44, 58658045), (55, 46926436), (62, 41628290), (110, 23463218), (124, 20814145), (155, 16651316), (220, 11731609), (310, 8325658), (341, 7568780), (620, 4162829), (682, 3784390), (1364, 1892195), (1705, 1513756), (3410, 756878), (6820, 378439)]