405767680

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5113}}^1$

素因数の和:5167

約数の個数: 80

約数和(自身を含む): 1004471424

約数和(自身を除く): 598703744

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, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 5113, 7936, 9920, 10226, 15872, 19840, 20452, 25565, 39680, 40904, 51130, 79360, 81808, 102260, 158503, 163616, 204520, 317006, 327232, 409040, 634012, 654464, 792515, 818080, 1268024, 1308928, 1585030, 1636160, 2536048, 2617856, 3170060, 3272320, 5072096, 6340120, 6544640, 10144192, 12680240, 13089280, 20288384, 25360480, 40576768, 50720960, 81153536, 101441920, 202883840, 405767680]

約数ペア:

[(1, 405767680), (2, 202883840), (4, 101441920), (5, 81153536), (8, 50720960), (10, 40576768), (16, 25360480), (20, 20288384), (31, 13089280), (32, 12680240), (40, 10144192), (62, 6544640), (64, 6340120), (80, 5072096), (124, 3272320), (128, 3170060), (155, 2617856), (160, 2536048), (248, 1636160), (256, 1585030), (310, 1308928), (320, 1268024), (496, 818080), (512, 792515), (620, 654464), (640, 634012), (992, 409040), (1240, 327232), (1280, 317006), (1984, 204520), (2480, 163616), (2560, 158503), (3968, 102260), (4960, 81808), (5113, 79360), (7936, 51130), (9920, 40904), (10226, 39680), (15872, 25565), (19840, 20452)]