40456420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{33161}}^1$

素因数の和:33231

約数の個数: 24

約数和(自身を含む): 86353848

約数和(自身を除く): 45897428

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 33161, 66322, 132644, 165805, 331610, 663220, 2022821, 4045642, 8091284, 10114105, 20228210, 40456420]

約数ペア:

[(1, 40456420), (2, 20228210), (4, 10114105), (5, 8091284), (10, 4045642), (20, 2022821), (61, 663220), (122, 331610), (244, 165805), (305, 132644), (610, 66322), (1220, 33161)]