9018880

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:307

約数の個数: 80

約数和(自身を含む): 23373504

約数和(自身を除く): 14354624

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, 271, 320, 416, 512, 520, 542, 640, 832, 1040, 1084, 1280, 1355, 1664, 2080, 2168, 2560, 2710, 3328, 3523, 4160, 4336, 5420, 6656, 7046, 8320, 8672, 10840, 14092, 16640, 17344, 17615, 21680, 28184, 33280, 34688, 35230, 43360, 56368, 69376, 70460, 86720, 112736, 138752, 140920, 173440, 225472, 281840, 346880, 450944, 563680, 693760, 901888, 1127360, 1803776, 2254720, 4509440, 9018880]

約数ペア:

[(1, 9018880), (2, 4509440), (4, 2254720), (5, 1803776), (8, 1127360), (10, 901888), (13, 693760), (16, 563680), (20, 450944), (26, 346880), (32, 281840), (40, 225472), (52, 173440), (64, 140920), (65, 138752), (80, 112736), (104, 86720), (128, 70460), (130, 69376), (160, 56368), (208, 43360), (256, 35230), (260, 34688), (271, 33280), (320, 28184), (416, 21680), (512, 17615), (520, 17344), (542, 16640), (640, 14092), (832, 10840), (1040, 8672), (1084, 8320), (1280, 7046), (1355, 6656), (1664, 5420), (2080, 4336), (2168, 4160), (2560, 3523), (2710, 3328)]