56254720

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:711

約数の個数: 72

約数和(自身を含む): 136866240

約数和(自身を除く): 80611520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 568, 619, 640, 710, 1136, 1238, 1280, 1420, 2272, 2476, 2840, 3095, 4544, 4952, 5680, 6190, 9088, 9904, 11360, 12380, 18176, 19808, 22720, 24760, 39616, 43949, 45440, 49520, 79232, 87898, 90880, 99040, 158464, 175796, 198080, 219745, 351592, 396160, 439490, 703184, 792320, 878980, 1406368, 1757960, 2812736, 3515920, 5625472, 7031840, 11250944, 14063680, 28127360, 56254720]

約数ペア:

[(1, 56254720), (2, 28127360), (4, 14063680), (5, 11250944), (8, 7031840), (10, 5625472), (16, 3515920), (20, 2812736), (32, 1757960), (40, 1406368), (64, 878980), (71, 792320), (80, 703184), (128, 439490), (142, 396160), (160, 351592), (256, 219745), (284, 198080), (320, 175796), (355, 158464), (568, 99040), (619, 90880), (640, 87898), (710, 79232), (1136, 49520), (1238, 45440), (1280, 43949), (1420, 39616), (2272, 24760), (2476, 22720), (2840, 19808), (3095, 18176), (4544, 12380), (4952, 11360), (5680, 9904), (6190, 9088)]