28351020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3607}}^1$

素因数の和:3750

約数の個数: 48

約数和(自身を含む): 80011008

約数和(自身を除く): 51659988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3607, 3930, 7214, 7860, 10821, 14428, 18035, 21642, 36070, 43284, 54105, 72140, 108210, 216420, 472517, 945034, 1417551, 1890068, 2362585, 2835102, 4725170, 5670204, 7087755, 9450340, 14175510, 28351020]

約数ペア:

[(1, 28351020), (2, 14175510), (3, 9450340), (4, 7087755), (5, 5670204), (6, 4725170), (10, 2835102), (12, 2362585), (15, 1890068), (20, 1417551), (30, 945034), (60, 472517), (131, 216420), (262, 108210), (393, 72140), (524, 54105), (655, 43284), (786, 36070), (1310, 21642), (1572, 18035), (1965, 14428), (2620, 10821), (3607, 7860), (3930, 7214)]