40204424

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 82613520

約数和(自身を除く): 42409096

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 131, 169, 227, 262, 338, 454, 524, 676, 908, 1048, 1352, 1703, 1816, 2951, 3406, 5902, 6812, 11804, 13624, 22139, 23608, 29737, 38363, 44278, 59474, 76726, 88556, 118948, 153452, 177112, 237896, 306904, 386581, 773162, 1546324, 3092648, 5025553, 10051106, 20102212, 40204424]

約数ペア:

[(1, 40204424), (2, 20102212), (4, 10051106), (8, 5025553), (13, 3092648), (26, 1546324), (52, 773162), (104, 386581), (131, 306904), (169, 237896), (227, 177112), (262, 153452), (338, 118948), (454, 88556), (524, 76726), (676, 59474), (908, 44278), (1048, 38363), (1352, 29737), (1703, 23608), (1816, 22139), (2951, 13624), (3406, 11804), (5902, 6812)]