55512320

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1451

約数の個数: 72

約数和(自身を含む): 137356800

約数和(自身を除く): 81844480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1399, 1984, 2480, 2798, 3968, 4960, 5596, 6995, 7936, 9920, 11192, 13990, 19840, 22384, 27980, 39680, 43369, 44768, 55960, 86738, 89536, 111920, 173476, 179072, 216845, 223840, 346952, 358144, 433690, 447680, 693904, 867380, 895360, 1387808, 1734760, 1790720, 2775616, 3469520, 5551232, 6939040, 11102464, 13878080, 27756160, 55512320]

約数ペア:

[(1, 55512320), (2, 27756160), (4, 13878080), (5, 11102464), (8, 6939040), (10, 5551232), (16, 3469520), (20, 2775616), (31, 1790720), (32, 1734760), (40, 1387808), (62, 895360), (64, 867380), (80, 693904), (124, 447680), (128, 433690), (155, 358144), (160, 346952), (248, 223840), (256, 216845), (310, 179072), (320, 173476), (496, 111920), (620, 89536), (640, 86738), (992, 55960), (1240, 44768), (1280, 43369), (1399, 39680), (1984, 27980), (2480, 22384), (2798, 19840), (3968, 13990), (4960, 11192), (5596, 9920), (6995, 7936)]