22080500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 96

約数和(自身を含む): 53813760

約数和(自身を除く): 31733260

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 79, 86, 100, 125, 130, 158, 172, 215, 250, 260, 316, 325, 395, 430, 500, 559, 650, 790, 860, 1027, 1075, 1118, 1300, 1580, 1625, 1975, 2054, 2150, 2236, 2795, 3250, 3397, 3950, 4108, 4300, 5135, 5375, 5590, 6500, 6794, 7900, 9875, 10270, 10750, 11180, 13588, 13975, 16985, 19750, 20540, 21500, 25675, 27950, 33970, 39500, 44161, 51350, 55900, 67940, 69875, 84925, 88322, 102700, 128375, 139750, 169850, 176644, 220805, 256750, 279500, 339700, 424625, 441610, 513500, 849250, 883220, 1104025, 1698500, 2208050, 4416100, 5520125, 11040250, 22080500]

約数ペア:

[(1, 22080500), (2, 11040250), (4, 5520125), (5, 4416100), (10, 2208050), (13, 1698500), (20, 1104025), (25, 883220), (26, 849250), (43, 513500), (50, 441610), (52, 424625), (65, 339700), (79, 279500), (86, 256750), (100, 220805), (125, 176644), (130, 169850), (158, 139750), (172, 128375), (215, 102700), (250, 88322), (260, 84925), (316, 69875), (325, 67940), (395, 55900), (430, 51350), (500, 44161), (559, 39500), (650, 33970), (790, 27950), (860, 25675), (1027, 21500), (1075, 20540), (1118, 19750), (1300, 16985), (1580, 13975), (1625, 13588), (1975, 11180), (2054, 10750), (2150, 10270), (2236, 9875), (2795, 7900), (3250, 6794), (3397, 6500), (3950, 5590), (4108, 5375), (4300, 5135)]