138711040

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:563

約数の個数: 104

約数和(自身を含む): 359158968

約数和(自身を除く): 220447928

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, 512, 520, 521, 640, 832, 1024, 1040, 1042, 1280, 1664, 2048, 2080, 2084, 2560, 2605, 3328, 4096, 4160, 4168, 5120, 5210, 6656, 6773, 8320, 8336, 10240, 10420, 13312, 13546, 16640, 16672, 20480, 20840, 26624, 27092, 33280, 33344, 33865, 41680, 53248, 54184, 66560, 66688, 67730, 83360, 108368, 133120, 133376, 135460, 166720, 216736, 266240, 266752, 270920, 333440, 433472, 533504, 541840, 666880, 866944, 1067008, 1083680, 1333760, 1733888, 2134016, 2167360, 2667520, 3467776, 4334720, 5335040, 6935552, 8669440, 10670080, 13871104, 17338880, 27742208, 34677760, 69355520, 138711040]

約数ペア:

[(1, 138711040), (2, 69355520), (4, 34677760), (5, 27742208), (8, 17338880), (10, 13871104), (13, 10670080), (16, 8669440), (20, 6935552), (26, 5335040), (32, 4334720), (40, 3467776), (52, 2667520), (64, 2167360), (65, 2134016), (80, 1733888), (104, 1333760), (128, 1083680), (130, 1067008), (160, 866944), (208, 666880), (256, 541840), (260, 533504), (320, 433472), (416, 333440), (512, 270920), (520, 266752), (521, 266240), (640, 216736), (832, 166720), (1024, 135460), (1040, 133376), (1042, 133120), (1280, 108368), (1664, 83360), (2048, 67730), (2080, 66688), (2084, 66560), (2560, 54184), (2605, 53248), (3328, 41680), (4096, 33865), (4160, 33344), (4168, 33280), (5120, 27092), (5210, 26624), (6656, 20840), (6773, 20480), (8320, 16672), (8336, 16640), (10240, 13546), (10420, 13312)]