31441960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3761}}^1$

素因数の和:3802

約数の個数: 64

約数和(自身を含む): 81259200

約数和(自身を除く): 49817240

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 3761, 4180, 7522, 8360, 15044, 18805, 30088, 37610, 41371, 71459, 75220, 82742, 142918, 150440, 165484, 206855, 285836, 330968, 357295, 413710, 571672, 714590, 786049, 827420, 1429180, 1572098, 1654840, 2858360, 3144196, 3930245, 6288392, 7860490, 15720980, 31441960]

約数ペア:

[(1, 31441960), (2, 15720980), (4, 7860490), (5, 6288392), (8, 3930245), (10, 3144196), (11, 2858360), (19, 1654840), (20, 1572098), (22, 1429180), (38, 827420), (40, 786049), (44, 714590), (55, 571672), (76, 413710), (88, 357295), (95, 330968), (110, 285836), (152, 206855), (190, 165484), (209, 150440), (220, 142918), (380, 82742), (418, 75220), (440, 71459), (760, 41371), (836, 37610), (1045, 30088), (1672, 18805), (2090, 15044), (3761, 8360), (4180, 7522)]