20172029440

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{414721}}^1$

素因数の和:414763

約数の個数: 80

約数和(自身を含む): 50911272720

約数和(自身を除く): 30739243280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1216, 1280, 1520, 2432, 2560, 3040, 4864, 6080, 9728, 12160, 24320, 48640, 414721, 829442, 1658884, 2073605, 3317768, 4147210, 6635536, 7879699, 8294420, 13271072, 15759398, 16588840, 26542144, 31518796, 33177680, 39398495, 53084288, 63037592, 66355360, 78796990, 106168576, 126075184, 132710720, 157593980, 212337152, 252150368, 265421440, 315187960, 504300736, 530842880, 630375920, 1008601472, 1061685760, 1260751840, 2017202944, 2521503680, 4034405888, 5043007360, 10086014720, 20172029440]

約数ペア:

[(1, 20172029440), (2, 10086014720), (4, 5043007360), (5, 4034405888), (8, 2521503680), (10, 2017202944), (16, 1260751840), (19, 1061685760), (20, 1008601472), (32, 630375920), (38, 530842880), (40, 504300736), (64, 315187960), (76, 265421440), (80, 252150368), (95, 212337152), (128, 157593980), (152, 132710720), (160, 126075184), (190, 106168576), (256, 78796990), (304, 66355360), (320, 63037592), (380, 53084288), (512, 39398495), (608, 33177680), (640, 31518796), (760, 26542144), (1216, 16588840), (1280, 15759398), (1520, 13271072), (2432, 8294420), (2560, 7879699), (3040, 6635536), (4864, 4147210), (6080, 3317768), (9728, 2073605), (12160, 1658884), (24320, 829442), (48640, 414721)]