16785920

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:185

約数の個数: 80

約数和(自身を含む): 41247360

約数和(自身を除く): 24461440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 83, 128, 158, 160, 166, 256, 316, 320, 332, 395, 415, 512, 632, 640, 664, 790, 830, 1264, 1280, 1328, 1580, 1660, 2528, 2560, 2656, 3160, 3320, 5056, 5312, 6320, 6557, 6640, 10112, 10624, 12640, 13114, 13280, 20224, 21248, 25280, 26228, 26560, 32785, 40448, 42496, 50560, 52456, 53120, 65570, 101120, 104912, 106240, 131140, 202240, 209824, 212480, 262280, 419648, 524560, 839296, 1049120, 1678592, 2098240, 3357184, 4196480, 8392960, 16785920]

約数ペア:

[(1, 16785920), (2, 8392960), (4, 4196480), (5, 3357184), (8, 2098240), (10, 1678592), (16, 1049120), (20, 839296), (32, 524560), (40, 419648), (64, 262280), (79, 212480), (80, 209824), (83, 202240), (128, 131140), (158, 106240), (160, 104912), (166, 101120), (256, 65570), (316, 53120), (320, 52456), (332, 50560), (395, 42496), (415, 40448), (512, 32785), (632, 26560), (640, 26228), (664, 25280), (790, 21248), (830, 20224), (1264, 13280), (1280, 13114), (1328, 12640), (1580, 10624), (1660, 10112), (2528, 6640), (2560, 6557), (2656, 6320), (3160, 5312), (3320, 5056)]