42579760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 105573600

約数和(自身を除く): 62993840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 109, 152, 190, 218, 257, 304, 380, 436, 514, 545, 760, 872, 1028, 1090, 1285, 1520, 1744, 2056, 2071, 2180, 2570, 4112, 4142, 4360, 4883, 5140, 8284, 8720, 9766, 10280, 10355, 16568, 19532, 20560, 20710, 24415, 28013, 33136, 39064, 41420, 48830, 56026, 78128, 82840, 97660, 112052, 140065, 165680, 195320, 224104, 280130, 390640, 448208, 532247, 560260, 1064494, 1120520, 2128988, 2241040, 2661235, 4257976, 5322470, 8515952, 10644940, 21289880, 42579760]

約数ペア:

[(1, 42579760), (2, 21289880), (4, 10644940), (5, 8515952), (8, 5322470), (10, 4257976), (16, 2661235), (19, 2241040), (20, 2128988), (38, 1120520), (40, 1064494), (76, 560260), (80, 532247), (95, 448208), (109, 390640), (152, 280130), (190, 224104), (218, 195320), (257, 165680), (304, 140065), (380, 112052), (436, 97660), (514, 82840), (545, 78128), (760, 56026), (872, 48830), (1028, 41420), (1090, 39064), (1285, 33136), (1520, 28013), (1744, 24415), (2056, 20710), (2071, 20560), (2180, 19532), (2570, 16568), (4112, 10355), (4142, 10280), (4360, 9766), (4883, 8720), (5140, 8284)]