1265239040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19009}}^1$

素因数の和:19047

約数の個数: 88

約数和(自身を含む): 3268731480

約数和(自身を除く): 2003492440

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, 640, 832, 1024, 1040, 1280, 1664, 2080, 2560, 3328, 4160, 5120, 6656, 8320, 13312, 16640, 19009, 33280, 38018, 66560, 76036, 95045, 152072, 190090, 247117, 304144, 380180, 494234, 608288, 760360, 988468, 1216576, 1235585, 1520720, 1976936, 2433152, 2471170, 3041440, 3953872, 4866304, 4942340, 6082880, 7907744, 9732608, 9884680, 12165760, 15815488, 19465216, 19769360, 24331520, 31630976, 39538720, 48663040, 63261952, 79077440, 97326080, 126523904, 158154880, 253047808, 316309760, 632619520, 1265239040]

約数ペア:

[(1, 1265239040), (2, 632619520), (4, 316309760), (5, 253047808), (8, 158154880), (10, 126523904), (13, 97326080), (16, 79077440), (20, 63261952), (26, 48663040), (32, 39538720), (40, 31630976), (52, 24331520), (64, 19769360), (65, 19465216), (80, 15815488), (104, 12165760), (128, 9884680), (130, 9732608), (160, 7907744), (208, 6082880), (256, 4942340), (260, 4866304), (320, 3953872), (416, 3041440), (512, 2471170), (520, 2433152), (640, 1976936), (832, 1520720), (1024, 1235585), (1040, 1216576), (1280, 988468), (1664, 760360), (2080, 608288), (2560, 494234), (3328, 380180), (4160, 304144), (5120, 247117), (6656, 190090), (8320, 152072), (13312, 95045), (16640, 76036), (19009, 66560), (33280, 38018)]