1330454920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{811253}}^1$

素因数の和:811305

約数の個数: 32

約数和(自身を含む): 3066540120

約数和(自身を除く): 1736085200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 811253, 1622506, 3245012, 4056265, 6490024, 8112530, 16225060, 32450120, 33261373, 66522746, 133045492, 166306865, 266090984, 332613730, 665227460, 1330454920]

約数ペア:

[(1, 1330454920), (2, 665227460), (4, 332613730), (5, 266090984), (8, 166306865), (10, 133045492), (20, 66522746), (40, 33261373), (41, 32450120), (82, 16225060), (164, 8112530), (205, 6490024), (328, 4056265), (410, 3245012), (820, 1622506), (1640, 811253)]