64900420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{113}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 151291224

約数和(自身を除く): 86390804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 113, 130, 188, 226, 235, 260, 452, 470, 565, 611, 940, 1130, 1222, 1469, 2209, 2260, 2444, 2938, 3055, 4418, 5311, 5876, 6110, 7345, 8836, 10622, 11045, 12220, 14690, 21244, 22090, 26555, 28717, 29380, 44180, 53110, 57434, 69043, 106220, 114868, 138086, 143585, 249617, 276172, 287170, 345215, 499234, 574340, 690430, 998468, 1248085, 1380860, 2496170, 3245021, 4992340, 6490042, 12980084, 16225105, 32450210, 64900420]

約数ペア:

[(1, 64900420), (2, 32450210), (4, 16225105), (5, 12980084), (10, 6490042), (13, 4992340), (20, 3245021), (26, 2496170), (47, 1380860), (52, 1248085), (65, 998468), (94, 690430), (113, 574340), (130, 499234), (188, 345215), (226, 287170), (235, 276172), (260, 249617), (452, 143585), (470, 138086), (565, 114868), (611, 106220), (940, 69043), (1130, 57434), (1222, 53110), (1469, 44180), (2209, 29380), (2260, 28717), (2444, 26555), (2938, 22090), (3055, 21244), (4418, 14690), (5311, 12220), (5876, 11045), (6110, 10622), (7345, 8836)]