130926640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:219

約数の個数: 120

約数和(自身を含む): 341321904

約数和(自身を除く): 210395264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 131, 155, 208, 248, 260, 262, 310, 403, 496, 520, 524, 620, 655, 806, 961, 1040, 1048, 1240, 1310, 1612, 1703, 1922, 2015, 2096, 2480, 2620, 3224, 3406, 3844, 4030, 4061, 4805, 5240, 6448, 6812, 7688, 8060, 8122, 8515, 9610, 10480, 12493, 13624, 15376, 16120, 16244, 17030, 19220, 20305, 24986, 27248, 32240, 32488, 34060, 38440, 40610, 49972, 52793, 62465, 64976, 68120, 76880, 81220, 99944, 105586, 124930, 125891, 136240, 162440, 199888, 211172, 249860, 251782, 263965, 324880, 422344, 499720, 503564, 527930, 629455, 844688, 999440, 1007128, 1055860, 1258910, 1636583, 2014256, 2111720, 2517820, 3273166, 4223440, 5035640, 6546332, 8182915, 10071280, 13092664, 16365830, 26185328, 32731660, 65463320, 130926640]

約数ペア:

[(1, 130926640), (2, 65463320), (4, 32731660), (5, 26185328), (8, 16365830), (10, 13092664), (13, 10071280), (16, 8182915), (20, 6546332), (26, 5035640), (31, 4223440), (40, 3273166), (52, 2517820), (62, 2111720), (65, 2014256), (80, 1636583), (104, 1258910), (124, 1055860), (130, 1007128), (131, 999440), (155, 844688), (208, 629455), (248, 527930), (260, 503564), (262, 499720), (310, 422344), (403, 324880), (496, 263965), (520, 251782), (524, 249860), (620, 211172), (655, 199888), (806, 162440), (961, 136240), (1040, 125891), (1048, 124930), (1240, 105586), (1310, 99944), (1612, 81220), (1703, 76880), (1922, 68120), (2015, 64976), (2096, 62465), (2480, 52793), (2620, 49972), (3224, 40610), (3406, 38440), (3844, 34060), (4030, 32488), (4061, 32240), (4805, 27248), (5240, 24986), (6448, 20305), (6812, 19220), (7688, 17030), (8060, 16244), (8122, 16120), (8515, 15376), (9610, 13624), (10480, 12493)]