25143040

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1511}}^1$

素因数の和:1545

約数の個数: 72

約数和(自身を含む): 64901088

約数和(自身を除く): 39758048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1511, 1664, 2080, 3022, 3328, 4160, 6044, 7555, 8320, 12088, 15110, 16640, 19643, 24176, 30220, 39286, 48352, 60440, 78572, 96704, 98215, 120880, 157144, 193408, 196430, 241760, 314288, 386816, 392860, 483520, 628576, 785720, 967040, 1257152, 1571440, 1934080, 2514304, 3142880, 5028608, 6285760, 12571520, 25143040]

約数ペア:

[(1, 25143040), (2, 12571520), (4, 6285760), (5, 5028608), (8, 3142880), (10, 2514304), (13, 1934080), (16, 1571440), (20, 1257152), (26, 967040), (32, 785720), (40, 628576), (52, 483520), (64, 392860), (65, 386816), (80, 314288), (104, 241760), (128, 196430), (130, 193408), (160, 157144), (208, 120880), (256, 98215), (260, 96704), (320, 78572), (416, 60440), (520, 48352), (640, 39286), (832, 30220), (1040, 24176), (1280, 19643), (1511, 16640), (1664, 15110), (2080, 12088), (3022, 8320), (3328, 7555), (4160, 6044)]