1796784520

素因数分解:

$2^3\times 5^1\times {\mathrm{1657}}^1\times {\mathrm{27109}}^1$

素因数の和:28777

約数の個数: 32

約数和(自身を含む): 4045354200

約数和(自身を除く): 2248569680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1657, 3314, 6628, 8285, 13256, 16570, 27109, 33140, 54218, 66280, 108436, 135545, 216872, 271090, 542180, 1084360, 44919613, 89839226, 179678452, 224598065, 359356904, 449196130, 898392260, 1796784520]

約数ペア:

[(1, 1796784520), (2, 898392260), (4, 449196130), (5, 359356904), (8, 224598065), (10, 179678452), (20, 89839226), (40, 44919613), (1657, 1084360), (3314, 542180), (6628, 271090), (8285, 216872), (13256, 135545), (16570, 108436), (27109, 66280), (33140, 54218)]