40509368

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 86378400

約数和(自身を除く): 45869032

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 61, 68, 76, 122, 136, 152, 244, 257, 323, 488, 514, 646, 1028, 1037, 1159, 1292, 2056, 2074, 2318, 2584, 4148, 4369, 4636, 4883, 8296, 8738, 9272, 9766, 15677, 17476, 19532, 19703, 31354, 34952, 39064, 39406, 62708, 78812, 83011, 125416, 157624, 166022, 266509, 297863, 332044, 533018, 595726, 664088, 1066036, 1191452, 2132072, 2382904, 5063671, 10127342, 20254684, 40509368]

約数ペア:

[(1, 40509368), (2, 20254684), (4, 10127342), (8, 5063671), (17, 2382904), (19, 2132072), (34, 1191452), (38, 1066036), (61, 664088), (68, 595726), (76, 533018), (122, 332044), (136, 297863), (152, 266509), (244, 166022), (257, 157624), (323, 125416), (488, 83011), (514, 78812), (646, 62708), (1028, 39406), (1037, 39064), (1159, 34952), (1292, 31354), (2056, 19703), (2074, 19532), (2318, 17476), (2584, 15677), (4148, 9766), (4369, 9272), (4636, 8738), (4883, 8296)]