4295980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 10329984

約数和(自身を除く): 6034004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 41, 52, 62, 65, 82, 124, 130, 155, 164, 169, 205, 260, 310, 338, 403, 410, 533, 620, 676, 806, 820, 845, 1066, 1271, 1612, 1690, 2015, 2132, 2542, 2665, 3380, 4030, 5084, 5239, 5330, 6355, 6929, 8060, 10478, 10660, 12710, 13858, 16523, 20956, 25420, 26195, 27716, 33046, 34645, 52390, 66092, 69290, 82615, 104780, 138580, 165230, 214799, 330460, 429598, 859196, 1073995, 2147990, 4295980]

約数ペア:

[(1, 4295980), (2, 2147990), (4, 1073995), (5, 859196), (10, 429598), (13, 330460), (20, 214799), (26, 165230), (31, 138580), (41, 104780), (52, 82615), (62, 69290), (65, 66092), (82, 52390), (124, 34645), (130, 33046), (155, 27716), (164, 26195), (169, 25420), (205, 20956), (260, 16523), (310, 13858), (338, 12710), (403, 10660), (410, 10478), (533, 8060), (620, 6929), (676, 6355), (806, 5330), (820, 5239), (845, 5084), (1066, 4030), (1271, 3380), (1612, 2665), (1690, 2542), (2015, 2132)]