22155320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1171}}^1$

素因数の和:1236

約数の個数: 64

約数和(自身を含む): 55693440

約数和(自身を除く): 33538120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1171, 1720, 1892, 2342, 2365, 3784, 4684, 4730, 5855, 9368, 9460, 11710, 12881, 18920, 23420, 25762, 46840, 50353, 51524, 64405, 100706, 103048, 128810, 201412, 251765, 257620, 402824, 503530, 515240, 553883, 1007060, 1107766, 2014120, 2215532, 2769415, 4431064, 5538830, 11077660, 22155320]

約数ペア:

[(1, 22155320), (2, 11077660), (4, 5538830), (5, 4431064), (8, 2769415), (10, 2215532), (11, 2014120), (20, 1107766), (22, 1007060), (40, 553883), (43, 515240), (44, 503530), (55, 402824), (86, 257620), (88, 251765), (110, 201412), (172, 128810), (215, 103048), (220, 100706), (344, 64405), (430, 51524), (440, 50353), (473, 46840), (860, 25762), (946, 23420), (1171, 18920), (1720, 12881), (1892, 11710), (2342, 9460), (2365, 9368), (3784, 5855), (4684, 4730)]