21677995280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{108869}}^1$

素因数の和:109032

約数の個数: 80

約数和(自身を含む): 53459524800

約数和(自身を除く): 31781529520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 131, 152, 190, 262, 304, 380, 524, 655, 760, 1048, 1310, 1520, 2096, 2489, 2620, 4978, 5240, 9956, 10480, 12445, 19912, 24890, 39824, 49780, 99560, 108869, 199120, 217738, 435476, 544345, 870952, 1088690, 1741904, 2068511, 2177380, 4137022, 4354760, 8274044, 8709520, 10342555, 14261839, 16548088, 20685110, 28523678, 33096176, 41370220, 57047356, 71309195, 82740440, 114094712, 142618390, 165480880, 228189424, 270974941, 285236780, 541949882, 570473560, 1083899764, 1140947120, 1354874705, 2167799528, 2709749410, 4335599056, 5419498820, 10838997640, 21677995280]

約数ペア:

[(1, 21677995280), (2, 10838997640), (4, 5419498820), (5, 4335599056), (8, 2709749410), (10, 2167799528), (16, 1354874705), (19, 1140947120), (20, 1083899764), (38, 570473560), (40, 541949882), (76, 285236780), (80, 270974941), (95, 228189424), (131, 165480880), (152, 142618390), (190, 114094712), (262, 82740440), (304, 71309195), (380, 57047356), (524, 41370220), (655, 33096176), (760, 28523678), (1048, 20685110), (1310, 16548088), (1520, 14261839), (2096, 10342555), (2489, 8709520), (2620, 8274044), (4978, 4354760), (5240, 4137022), (9956, 2177380), (10480, 2068511), (12445, 1741904), (19912, 1088690), (24890, 870952), (39824, 544345), (49780, 435476), (99560, 217738), (108869, 199120)]