40375816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 88588080

約数和(自身を除く): 48212264

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 41, 52, 68, 82, 104, 136, 164, 221, 328, 442, 533, 557, 697, 884, 1066, 1114, 1394, 1768, 2132, 2228, 2788, 4264, 4456, 5576, 7241, 9061, 9469, 14482, 18122, 18938, 22837, 28964, 36244, 37876, 45674, 57928, 72488, 75752, 91348, 123097, 182696, 246194, 296881, 388229, 492388, 593762, 776458, 984776, 1187524, 1552916, 2375048, 3105832, 5046977, 10093954, 20187908, 40375816]

約数ペア:

[(1, 40375816), (2, 20187908), (4, 10093954), (8, 5046977), (13, 3105832), (17, 2375048), (26, 1552916), (34, 1187524), (41, 984776), (52, 776458), (68, 593762), (82, 492388), (104, 388229), (136, 296881), (164, 246194), (221, 182696), (328, 123097), (442, 91348), (533, 75752), (557, 72488), (697, 57928), (884, 45674), (1066, 37876), (1114, 36244), (1394, 28964), (1768, 22837), (2132, 18938), (2228, 18122), (2788, 14482), (4264, 9469), (4456, 9061), (5576, 7241)]