13138889380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{17491}}^1$

素因数の和:17617

約数の個数: 72

約数和(自身を含む): 29251381824

約数和(自身を除く): 16112492444

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 460, 529, 710, 1058, 1420, 1633, 2116, 2645, 3266, 5290, 6532, 8165, 10580, 16330, 17491, 32660, 34982, 37559, 69964, 75118, 87455, 150236, 174910, 187795, 349820, 375590, 402293, 751180, 804586, 1241861, 1609172, 2011465, 2483722, 4022930, 4967444, 6209305, 8045860, 9252739, 12418610, 18505478, 24837220, 28562803, 37010956, 46263695, 57125606, 92527390, 114251212, 142814015, 185054780, 285628030, 571256060, 656944469, 1313888938, 2627777876, 3284722345, 6569444690, 13138889380]

約数ペア:

[(1, 13138889380), (2, 6569444690), (4, 3284722345), (5, 2627777876), (10, 1313888938), (20, 656944469), (23, 571256060), (46, 285628030), (71, 185054780), (92, 142814015), (115, 114251212), (142, 92527390), (230, 57125606), (284, 46263695), (355, 37010956), (460, 28562803), (529, 24837220), (710, 18505478), (1058, 12418610), (1420, 9252739), (1633, 8045860), (2116, 6209305), (2645, 4967444), (3266, 4022930), (5290, 2483722), (6532, 2011465), (8165, 1609172), (10580, 1241861), (16330, 804586), (17491, 751180), (32660, 402293), (34982, 375590), (37559, 349820), (69964, 187795), (75118, 174910), (87455, 150236)]