27796480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:175

約数の個数: 88

約数和(自身を含む): 68533560

約数和(自身を除く): 40737080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 89, 122, 128, 160, 178, 244, 256, 305, 320, 356, 445, 488, 512, 610, 640, 712, 890, 976, 1024, 1220, 1280, 1424, 1780, 1952, 2440, 2560, 2848, 3560, 3904, 4880, 5120, 5429, 5696, 7120, 7808, 9760, 10858, 11392, 14240, 15616, 19520, 21716, 22784, 27145, 28480, 31232, 39040, 43432, 45568, 54290, 56960, 62464, 78080, 86864, 91136, 108580, 113920, 156160, 173728, 217160, 227840, 312320, 347456, 434320, 455680, 694912, 868640, 1389824, 1737280, 2779648, 3474560, 5559296, 6949120, 13898240, 27796480]

約数ペア:

[(1, 27796480), (2, 13898240), (4, 6949120), (5, 5559296), (8, 3474560), (10, 2779648), (16, 1737280), (20, 1389824), (32, 868640), (40, 694912), (61, 455680), (64, 434320), (80, 347456), (89, 312320), (122, 227840), (128, 217160), (160, 173728), (178, 156160), (244, 113920), (256, 108580), (305, 91136), (320, 86864), (356, 78080), (445, 62464), (488, 56960), (512, 54290), (610, 45568), (640, 43432), (712, 39040), (890, 31232), (976, 28480), (1024, 27145), (1220, 22784), (1280, 21716), (1424, 19520), (1780, 15616), (1952, 14240), (2440, 11392), (2560, 10858), (2848, 9760), (3560, 7808), (3904, 7120), (4880, 5696), (5120, 5429)]