31286440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1097}}^1$

素因数の和:1162

約数の個数: 64

約数和(自身を含む): 75893760

約数和(自身を除く): 44607320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1097, 1240, 1426, 2194, 2852, 3565, 4388, 5485, 5704, 7130, 8776, 10970, 14260, 21940, 25231, 28520, 34007, 43880, 50462, 68014, 100924, 126155, 136028, 170035, 201848, 252310, 272056, 340070, 504620, 680140, 782161, 1009240, 1360280, 1564322, 3128644, 3910805, 6257288, 7821610, 15643220, 31286440]

約数ペア:

[(1, 31286440), (2, 15643220), (4, 7821610), (5, 6257288), (8, 3910805), (10, 3128644), (20, 1564322), (23, 1360280), (31, 1009240), (40, 782161), (46, 680140), (62, 504620), (92, 340070), (115, 272056), (124, 252310), (155, 201848), (184, 170035), (230, 136028), (248, 126155), (310, 100924), (460, 68014), (620, 50462), (713, 43880), (920, 34007), (1097, 28520), (1240, 25231), (1426, 21940), (2194, 14260), (2852, 10970), (3565, 8776), (4388, 7130), (5485, 5704)]