320268208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{4289}}^1$

素因数の和:4669

約数の個数: 40

約数和(自身を含む): 670269600

約数和(自身を除く): 350001392

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 359, 718, 1436, 2872, 4289, 4667, 5744, 8578, 9334, 17156, 18668, 34312, 37336, 55757, 68624, 74672, 111514, 223028, 446056, 892112, 1539751, 3079502, 6159004, 12318008, 20016763, 24636016, 40033526, 80067052, 160134104, 320268208]

約数ペア:

[(1, 320268208), (2, 160134104), (4, 80067052), (8, 40033526), (13, 24636016), (16, 20016763), (26, 12318008), (52, 6159004), (104, 3079502), (208, 1539751), (359, 892112), (718, 446056), (1436, 223028), (2872, 111514), (4289, 74672), (4667, 68624), (5744, 55757), (8578, 37336), (9334, 34312), (17156, 18668)]