80037880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8101}}^1$

素因数の和:8144

約数の個数: 64

約数和(自身を含む): 204170400

約数和(自身を除く): 124132520

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 8101, 9880, 16202, 32404, 40505, 64808, 81010, 105313, 153919, 162020, 210626, 307838, 324040, 421252, 526565, 615676, 769595, 842504, 1053130, 1231352, 1539190, 2000947, 2106260, 3078380, 4001894, 4212520, 6156760, 8003788, 10004735, 16007576, 20009470, 40018940, 80037880]

約数ペア:

[(1, 80037880), (2, 40018940), (4, 20009470), (5, 16007576), (8, 10004735), (10, 8003788), (13, 6156760), (19, 4212520), (20, 4001894), (26, 3078380), (38, 2106260), (40, 2000947), (52, 1539190), (65, 1231352), (76, 1053130), (95, 842504), (104, 769595), (130, 615676), (152, 526565), (190, 421252), (247, 324040), (260, 307838), (380, 210626), (494, 162020), (520, 153919), (760, 105313), (988, 81010), (1235, 64808), (1976, 40505), (2470, 32404), (4940, 16202), (8101, 9880)]