40275820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 99348480

約数和(自身を除く): 59072660

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 155, 190, 247, 260, 263, 310, 380, 403, 494, 526, 589, 620, 806, 988, 1052, 1178, 1235, 1315, 1612, 2015, 2356, 2470, 2630, 2945, 3419, 4030, 4940, 4997, 5260, 5890, 6838, 7657, 8060, 8153, 9994, 11780, 13676, 15314, 16306, 17095, 19988, 24985, 30628, 32612, 34190, 38285, 40765, 49970, 64961, 68380, 76570, 81530, 99940, 105989, 129922, 153140, 154907, 163060, 211978, 259844, 309814, 324805, 423956, 529945, 619628, 649610, 774535, 1059890, 1299220, 1549070, 2013791, 2119780, 3098140, 4027582, 8055164, 10068955, 20137910, 40275820]

約数ペア:

[(1, 40275820), (2, 20137910), (4, 10068955), (5, 8055164), (10, 4027582), (13, 3098140), (19, 2119780), (20, 2013791), (26, 1549070), (31, 1299220), (38, 1059890), (52, 774535), (62, 649610), (65, 619628), (76, 529945), (95, 423956), (124, 324805), (130, 309814), (155, 259844), (190, 211978), (247, 163060), (260, 154907), (263, 153140), (310, 129922), (380, 105989), (403, 99940), (494, 81530), (526, 76570), (589, 68380), (620, 64961), (806, 49970), (988, 40765), (1052, 38285), (1178, 34190), (1235, 32612), (1315, 30628), (1612, 24985), (2015, 19988), (2356, 17095), (2470, 16306), (2630, 15314), (2945, 13676), (3419, 11780), (4030, 9994), (4940, 8153), (4997, 8060), (5260, 7657), (5890, 6838)]