56718220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{227}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 133125552

約数和(自身を除く): 76407332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 227, 260, 310, 403, 454, 620, 806, 908, 961, 1135, 1612, 1922, 2015, 2270, 2951, 3844, 4030, 4540, 4805, 5902, 7037, 8060, 9610, 11804, 12493, 14074, 14755, 19220, 24986, 28148, 29510, 35185, 49972, 59020, 62465, 70370, 91481, 124930, 140740, 182962, 218147, 249860, 365924, 436294, 457405, 872588, 914810, 1090735, 1829620, 2181470, 2835911, 4362940, 5671822, 11343644, 14179555, 28359110, 56718220]

約数ペア:

[(1, 56718220), (2, 28359110), (4, 14179555), (5, 11343644), (10, 5671822), (13, 4362940), (20, 2835911), (26, 2181470), (31, 1829620), (52, 1090735), (62, 914810), (65, 872588), (124, 457405), (130, 436294), (155, 365924), (227, 249860), (260, 218147), (310, 182962), (403, 140740), (454, 124930), (620, 91481), (806, 70370), (908, 62465), (961, 59020), (1135, 49972), (1612, 35185), (1922, 29510), (2015, 28148), (2270, 24986), (2951, 19220), (3844, 14755), (4030, 14074), (4540, 12493), (4805, 11804), (5902, 9610), (7037, 8060)]