25609720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1148

約数の個数: 64

約数和(自身を含む): 62668800

約数和(自身を除く): 37059080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1087, 1178, 1240, 2174, 2356, 2945, 4348, 4712, 5435, 5890, 8696, 10870, 11780, 20653, 21740, 23560, 33697, 41306, 43480, 67394, 82612, 103265, 134788, 165224, 168485, 206530, 269576, 336970, 413060, 640243, 673940, 826120, 1280486, 1347880, 2560972, 3201215, 5121944, 6402430, 12804860, 25609720]

約数ペア:

[(1, 25609720), (2, 12804860), (4, 6402430), (5, 5121944), (8, 3201215), (10, 2560972), (19, 1347880), (20, 1280486), (31, 826120), (38, 673940), (40, 640243), (62, 413060), (76, 336970), (95, 269576), (124, 206530), (152, 168485), (155, 165224), (190, 134788), (248, 103265), (310, 82612), (380, 67394), (589, 43480), (620, 41306), (760, 33697), (1087, 23560), (1178, 21740), (1240, 20653), (2174, 11780), (2356, 10870), (2945, 8696), (4348, 5890), (4712, 5435)]