2019400840

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{81559}}^1$

素因数の和:82189

約数の個数: 32

約数和(自身を含む): 4551048000

約数和(自身を除く): 2531647160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 1238, 2476, 3095, 4952, 6190, 12380, 24760, 81559, 163118, 326236, 407795, 652472, 815590, 1631180, 3262360, 50485021, 100970042, 201940084, 252425105, 403880168, 504850210, 1009700420, 2019400840]

約数ペア:

[(1, 2019400840), (2, 1009700420), (4, 504850210), (5, 403880168), (8, 252425105), (10, 201940084), (20, 100970042), (40, 50485021), (619, 3262360), (1238, 1631180), (2476, 815590), (3095, 652472), (4952, 407795), (6190, 326236), (12380, 163118), (24760, 81559)]