15952420

素因数分解:

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

素因数の和:1308

約数の個数: 48

約数和(自身を含む): 37195200

約数和(自身を除く): 21242780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1229, 1298, 2458, 2596, 3245, 4916, 6145, 6490, 12290, 12980, 13519, 24580, 27038, 54076, 67595, 72511, 135190, 145022, 270380, 290044, 362555, 725110, 797621, 1450220, 1595242, 3190484, 3988105, 7976210, 15952420]

約数ペア:

[(1, 15952420), (2, 7976210), (4, 3988105), (5, 3190484), (10, 1595242), (11, 1450220), (20, 797621), (22, 725110), (44, 362555), (55, 290044), (59, 270380), (110, 145022), (118, 135190), (220, 72511), (236, 67595), (295, 54076), (590, 27038), (649, 24580), (1180, 13519), (1229, 12980), (1298, 12290), (2458, 6490), (2596, 6145), (3245, 4916)]