40348520

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{5573}}^1$

素因数の和:5765

約数の個数: 32

約数和(自身を含む): 91302120

約数和(自身を除く): 50953600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 5573, 7240, 11146, 22292, 27865, 44584, 55730, 111460, 222920, 1008713, 2017426, 4034852, 5043565, 8069704, 10087130, 20174260, 40348520]

約数ペア:

[(1, 40348520), (2, 20174260), (4, 10087130), (5, 8069704), (8, 5043565), (10, 4034852), (20, 2017426), (40, 1008713), (181, 222920), (362, 111460), (724, 55730), (905, 44584), (1448, 27865), (1810, 22292), (3620, 11146), (5573, 7240)]