40468480

素因数分解:

$2^{15}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:67

約数の個数: 128

約数和(自身を含む): 110098800

約数和(自身を除く): 69630320

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, 190, 208, 247, 256, 260, 304, 320, 380, 416, 494, 512, 520, 608, 640, 760, 832, 988, 1024, 1040, 1216, 1235, 1280, 1520, 1664, 1976, 2048, 2080, 2432, 2470, 2560, 3040, 3328, 3952, 4096, 4160, 4864, 4940, 5120, 6080, 6656, 7904, 8192, 8320, 9728, 9880, 10240, 12160, 13312, 15808, 16384, 16640, 19456, 19760, 20480, 24320, 26624, 31616, 32768, 33280, 38912, 39520, 40960, 48640, 53248, 63232, 66560, 77824, 79040, 81920, 97280, 106496, 126464, 133120, 155648, 158080, 163840, 194560, 212992, 252928, 266240, 311296, 316160, 389120, 425984, 505856, 532480, 622592, 632320, 778240, 1011712, 1064960, 1264640, 1556480, 2023424, 2129920, 2529280, 3112960, 4046848, 5058560, 8093696, 10117120, 20234240, 40468480]

約数ペア:

[(1, 40468480), (2, 20234240), (4, 10117120), (5, 8093696), (8, 5058560), (10, 4046848), (13, 3112960), (16, 2529280), (19, 2129920), (20, 2023424), (26, 1556480), (32, 1264640), (38, 1064960), (40, 1011712), (52, 778240), (64, 632320), (65, 622592), (76, 532480), (80, 505856), (95, 425984), (104, 389120), (128, 316160), (130, 311296), (152, 266240), (160, 252928), (190, 212992), (208, 194560), (247, 163840), (256, 158080), (260, 155648), (304, 133120), (320, 126464), (380, 106496), (416, 97280), (494, 81920), (512, 79040), (520, 77824), (608, 66560), (640, 63232), (760, 53248), (832, 48640), (988, 40960), (1024, 39520), (1040, 38912), (1216, 33280), (1235, 32768), (1280, 31616), (1520, 26624), (1664, 24320), (1976, 20480), (2048, 19760), (2080, 19456), (2432, 16640), (2470, 16384), (2560, 15808), (3040, 13312), (3328, 12160), (3952, 10240), (4096, 9880), (4160, 9728), (4864, 8320), (4940, 8192), (5120, 7904), (6080, 6656)]