4920993020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{197}}^1\times {\mathrm{743}}^1$

素因数の和:1031

約数の個数: 72

約数和(自身を含む): 10660380192

約数和(自身を除く): 5739387172

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 197, 205, 394, 410, 743, 788, 820, 985, 1486, 1681, 1970, 2972, 3362, 3715, 3940, 6724, 7430, 8077, 8405, 14860, 16154, 16810, 30463, 32308, 33620, 40385, 60926, 80770, 121852, 146371, 152315, 161540, 292742, 304630, 331157, 585484, 609260, 662314, 731855, 1248983, 1324628, 1463710, 1655785, 2497966, 2927420, 3311570, 4995932, 6001211, 6244915, 6623140, 12002422, 12489830, 24004844, 24979660, 30006055, 60012110, 120024220, 246049651, 492099302, 984198604, 1230248255, 2460496510, 4920993020]

約数ペア:

[(1, 4920993020), (2, 2460496510), (4, 1230248255), (5, 984198604), (10, 492099302), (20, 246049651), (41, 120024220), (82, 60012110), (164, 30006055), (197, 24979660), (205, 24004844), (394, 12489830), (410, 12002422), (743, 6623140), (788, 6244915), (820, 6001211), (985, 4995932), (1486, 3311570), (1681, 2927420), (1970, 2497966), (2972, 1655785), (3362, 1463710), (3715, 1324628), (3940, 1248983), (6724, 731855), (7430, 662314), (8077, 609260), (8405, 585484), (14860, 331157), (16154, 304630), (16810, 292742), (30463, 161540), (32308, 152315), (33620, 146371), (40385, 121852), (60926, 80770)]