53431040

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1$

素因数の和:79

約数の個数: 144

約数和(自身を含む): 145941600

約数和(自身を除く): 92510560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 169, 190, 208, 247, 256, 260, 304, 320, 338, 380, 416, 494, 520, 608, 640, 676, 760, 832, 845, 988, 1040, 1216, 1235, 1280, 1352, 1520, 1664, 1690, 1976, 2080, 2197, 2432, 2470, 2704, 3040, 3211, 3328, 3380, 3952, 4160, 4394, 4864, 4940, 5408, 6080, 6422, 6760, 7904, 8320, 8788, 9880, 10816, 10985, 12160, 12844, 13520, 15808, 16055, 16640, 17576, 19760, 21632, 21970, 24320, 25688, 27040, 31616, 32110, 35152, 39520, 41743, 43264, 43940, 51376, 54080, 63232, 64220, 70304, 79040, 83486, 87880, 102752, 108160, 128440, 140608, 158080, 166972, 175760, 205504, 208715, 216320, 256880, 281216, 316160, 333944, 351520, 411008, 417430, 513760, 562432, 667888, 703040, 822016, 834860, 1027520, 1335776, 1406080, 1669720, 2055040, 2671552, 2812160, 3339440, 4110080, 5343104, 6678880, 10686208, 13357760, 26715520, 53431040]

約数ペア:

[(1, 53431040), (2, 26715520), (4, 13357760), (5, 10686208), (8, 6678880), (10, 5343104), (13, 4110080), (16, 3339440), (19, 2812160), (20, 2671552), (26, 2055040), (32, 1669720), (38, 1406080), (40, 1335776), (52, 1027520), (64, 834860), (65, 822016), (76, 703040), (80, 667888), (95, 562432), (104, 513760), (128, 417430), (130, 411008), (152, 351520), (160, 333944), (169, 316160), (190, 281216), (208, 256880), (247, 216320), (256, 208715), (260, 205504), (304, 175760), (320, 166972), (338, 158080), (380, 140608), (416, 128440), (494, 108160), (520, 102752), (608, 87880), (640, 83486), (676, 79040), (760, 70304), (832, 64220), (845, 63232), (988, 54080), (1040, 51376), (1216, 43940), (1235, 43264), (1280, 41743), (1352, 39520), (1520, 35152), (1664, 32110), (1690, 31616), (1976, 27040), (2080, 25688), (2197, 24320), (2432, 21970), (2470, 21632), (2704, 19760), (3040, 17576), (3211, 16640), (3328, 16055), (3380, 15808), (3952, 13520), (4160, 12844), (4394, 12160), (4864, 10985), (4940, 10816), (5408, 9880), (6080, 8788), (6422, 8320), (6760, 7904)]