31904840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1229}}^1$

素因数の和:1310

約数の個数: 64

約数和(自身を含む): 79704000

約数和(自身を除く): 47799160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 1180, 1229, 1298, 2360, 2458, 2596, 3245, 4916, 5192, 6145, 6490, 9832, 12290, 12980, 13519, 24580, 25960, 27038, 49160, 54076, 67595, 72511, 108152, 135190, 145022, 270380, 290044, 362555, 540760, 580088, 725110, 797621, 1450220, 1595242, 2900440, 3190484, 3988105, 6380968, 7976210, 15952420, 31904840]

約数ペア:

[(1, 31904840), (2, 15952420), (4, 7976210), (5, 6380968), (8, 3988105), (10, 3190484), (11, 2900440), (20, 1595242), (22, 1450220), (40, 797621), (44, 725110), (55, 580088), (59, 540760), (88, 362555), (110, 290044), (118, 270380), (220, 145022), (236, 135190), (295, 108152), (440, 72511), (472, 67595), (590, 54076), (649, 49160), (1180, 27038), (1229, 25960), (1298, 24580), (2360, 13519), (2458, 12980), (2596, 12290), (3245, 9832), (4916, 6490), (5192, 6145)]