40850380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{557}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 90931680

約数和(自身を除く): 50081300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 193, 380, 386, 557, 772, 965, 1114, 1930, 2228, 2785, 3667, 3860, 5570, 7334, 10583, 11140, 14668, 18335, 21166, 36670, 42332, 52915, 73340, 105830, 107501, 211660, 215002, 430004, 537505, 1075010, 2042519, 2150020, 4085038, 8170076, 10212595, 20425190, 40850380]

約数ペア:

[(1, 40850380), (2, 20425190), (4, 10212595), (5, 8170076), (10, 4085038), (19, 2150020), (20, 2042519), (38, 1075010), (76, 537505), (95, 430004), (190, 215002), (193, 211660), (380, 107501), (386, 105830), (557, 73340), (772, 52915), (965, 42332), (1114, 36670), (1930, 21166), (2228, 18335), (2785, 14668), (3667, 11140), (3860, 10583), (5570, 7334)]