65942540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1789}}^1$

素因数の和:1914

約数の個数: 48

約数和(自身を含む): 147352800

約数和(自身を除く): 81410260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 970, 1789, 1843, 1940, 3578, 3686, 7156, 7372, 8945, 9215, 17890, 18430, 33991, 35780, 36860, 67982, 135964, 169955, 173533, 339910, 347066, 679820, 694132, 867665, 1735330, 3297127, 3470660, 6594254, 13188508, 16485635, 32971270, 65942540]

約数ペア:

[(1, 65942540), (2, 32971270), (4, 16485635), (5, 13188508), (10, 6594254), (19, 3470660), (20, 3297127), (38, 1735330), (76, 867665), (95, 694132), (97, 679820), (190, 347066), (194, 339910), (380, 173533), (388, 169955), (485, 135964), (970, 67982), (1789, 36860), (1843, 35780), (1940, 33991), (3578, 18430), (3686, 17890), (7156, 9215), (7372, 8945)]