45401980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 109283328

約数和(自身を除く): 63881348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 43, 52, 62, 65, 86, 124, 130, 131, 155, 172, 215, 260, 262, 310, 403, 430, 524, 559, 620, 655, 806, 860, 1118, 1310, 1333, 1612, 1703, 2015, 2236, 2620, 2666, 2795, 3406, 4030, 4061, 5332, 5590, 5633, 6665, 6812, 8060, 8122, 8515, 11180, 11266, 13330, 16244, 17030, 17329, 20305, 22532, 26660, 28165, 34060, 34658, 40610, 52793, 56330, 69316, 73229, 81220, 86645, 105586, 112660, 146458, 173290, 174623, 211172, 263965, 292916, 346580, 349246, 366145, 527930, 698492, 732290, 873115, 1055860, 1464580, 1746230, 2270099, 3492460, 4540198, 9080396, 11350495, 22700990, 45401980]

約数ペア:

[(1, 45401980), (2, 22700990), (4, 11350495), (5, 9080396), (10, 4540198), (13, 3492460), (20, 2270099), (26, 1746230), (31, 1464580), (43, 1055860), (52, 873115), (62, 732290), (65, 698492), (86, 527930), (124, 366145), (130, 349246), (131, 346580), (155, 292916), (172, 263965), (215, 211172), (260, 174623), (262, 173290), (310, 146458), (403, 112660), (430, 105586), (524, 86645), (559, 81220), (620, 73229), (655, 69316), (806, 56330), (860, 52793), (1118, 40610), (1310, 34658), (1333, 34060), (1612, 28165), (1703, 26660), (2015, 22532), (2236, 20305), (2620, 17329), (2666, 17030), (2795, 16244), (3406, 13330), (4030, 11266), (4061, 11180), (5332, 8515), (5590, 8122), (5633, 8060), (6665, 6812)]