40132768

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:258

約数の個数: 72

約数和(自身を含む): 88127676

約数和(自身を除く): 47994908

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 82, 104, 164, 169, 181, 208, 328, 338, 362, 416, 533, 656, 676, 724, 1066, 1312, 1352, 1448, 2132, 2353, 2704, 2896, 4264, 4706, 5408, 5792, 6929, 7421, 8528, 9412, 13858, 14842, 17056, 18824, 27716, 29684, 30589, 37648, 55432, 59368, 61178, 75296, 96473, 110864, 118736, 122356, 192946, 221728, 237472, 244712, 385892, 489424, 771784, 978848, 1254149, 1543568, 2508298, 3087136, 5016596, 10033192, 20066384, 40132768]

約数ペア:

[(1, 40132768), (2, 20066384), (4, 10033192), (8, 5016596), (13, 3087136), (16, 2508298), (26, 1543568), (32, 1254149), (41, 978848), (52, 771784), (82, 489424), (104, 385892), (164, 244712), (169, 237472), (181, 221728), (208, 192946), (328, 122356), (338, 118736), (362, 110864), (416, 96473), (533, 75296), (656, 61178), (676, 59368), (724, 55432), (1066, 37648), (1312, 30589), (1352, 29684), (1448, 27716), (2132, 18824), (2353, 17056), (2704, 14842), (2896, 13858), (4264, 9412), (4706, 8528), (5408, 7421), (5792, 6929)]