1640984600

素因数分解:

$2^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{62633}}^1$

素因数の和:62780

約数の個数: 48

約数和(自身を含む): 3844474920

約数和(自身を除く): 2203490320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 131, 200, 262, 524, 655, 1048, 1310, 2620, 3275, 5240, 6550, 13100, 26200, 62633, 125266, 250532, 313165, 501064, 626330, 1252660, 1565825, 2505320, 3131650, 6263300, 8204923, 12526600, 16409846, 32819692, 41024615, 65639384, 82049230, 164098460, 205123075, 328196920, 410246150, 820492300, 1640984600]

約数ペア:

[(1, 1640984600), (2, 820492300), (4, 410246150), (5, 328196920), (8, 205123075), (10, 164098460), (20, 82049230), (25, 65639384), (40, 41024615), (50, 32819692), (100, 16409846), (131, 12526600), (200, 8204923), (262, 6263300), (524, 3131650), (655, 2505320), (1048, 1565825), (1310, 1252660), (2620, 626330), (3275, 501064), (5240, 313165), (6550, 250532), (13100, 125266), (26200, 62633)]