4042840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1907}}^1$

素因数の和:1971

約数の個数: 32

約数和(自身を含む): 9272880

約数和(自身を除く): 5230040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 1907, 2120, 3814, 7628, 9535, 15256, 19070, 38140, 76280, 101071, 202142, 404284, 505355, 808568, 1010710, 2021420, 4042840]

約数ペア:

[(1, 4042840), (2, 2021420), (4, 1010710), (5, 808568), (8, 505355), (10, 404284), (20, 202142), (40, 101071), (53, 76280), (106, 38140), (212, 19070), (265, 15256), (424, 9535), (530, 7628), (1060, 3814), (1907, 2120)]