1289090080

素因数分解:

$2^5\times 5^1\times {\mathrm{769}}^1\times {\mathrm{10477}}^1$

素因数の和:11261

約数の個数: 48

約数和(自身を含む): 3049726680

約数和(自身を除く): 1760636600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 769, 1538, 3076, 3845, 6152, 7690, 10477, 12304, 15380, 20954, 24608, 30760, 41908, 52385, 61520, 83816, 104770, 123040, 167632, 209540, 335264, 419080, 838160, 1676320, 8056813, 16113626, 32227252, 40284065, 64454504, 80568130, 128909008, 161136260, 257818016, 322272520, 644545040, 1289090080]

約数ペア:

[(1, 1289090080), (2, 644545040), (4, 322272520), (5, 257818016), (8, 161136260), (10, 128909008), (16, 80568130), (20, 64454504), (32, 40284065), (40, 32227252), (80, 16113626), (160, 8056813), (769, 1676320), (1538, 838160), (3076, 419080), (3845, 335264), (6152, 209540), (7690, 167632), (10477, 123040), (12304, 104770), (15380, 83816), (20954, 61520), (24608, 52385), (30760, 41908)]