22513880

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{9227}}^1$

素因数の和:9299

約数の個数: 32

約数和(自身を含む): 51492240

約数和(自身を除く): 28978360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 9227, 18454, 36908, 46135, 73816, 92270, 184540, 369080, 562847, 1125694, 2251388, 2814235, 4502776, 5628470, 11256940, 22513880]

約数ペア:

[(1, 22513880), (2, 11256940), (4, 5628470), (5, 4502776), (8, 2814235), (10, 2251388), (20, 1125694), (40, 562847), (61, 369080), (122, 184540), (244, 92270), (305, 73816), (488, 46135), (610, 36908), (1220, 18454), (2440, 9227)]