22378840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 55429920

約数和(自身を除く): 33051080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 181, 220, 281, 362, 440, 562, 724, 905, 1124, 1405, 1448, 1810, 1991, 2248, 2810, 3091, 3620, 3982, 5620, 6182, 7240, 7964, 9955, 11240, 12364, 15455, 15928, 19910, 24728, 30910, 39820, 50861, 61820, 79640, 101722, 123640, 203444, 254305, 406888, 508610, 559471, 1017220, 1118942, 2034440, 2237884, 2797355, 4475768, 5594710, 11189420, 22378840]

約数ペア:

[(1, 22378840), (2, 11189420), (4, 5594710), (5, 4475768), (8, 2797355), (10, 2237884), (11, 2034440), (20, 1118942), (22, 1017220), (40, 559471), (44, 508610), (55, 406888), (88, 254305), (110, 203444), (181, 123640), (220, 101722), (281, 79640), (362, 61820), (440, 50861), (562, 39820), (724, 30910), (905, 24728), (1124, 19910), (1405, 15928), (1448, 15455), (1810, 12364), (1991, 11240), (2248, 9955), (2810, 7964), (3091, 7240), (3620, 6182), (3982, 5620)]