888913840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{1579}}^1$

素因数の和:1850

約数の個数: 80

約数和(自身を含む): 2144148480

約数和(自身を除く): 1255234640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 227, 248, 310, 454, 496, 620, 908, 1135, 1240, 1579, 1816, 2270, 2480, 3158, 3632, 4540, 6316, 7037, 7895, 9080, 12632, 14074, 15790, 18160, 25264, 28148, 31580, 35185, 48949, 56296, 63160, 70370, 97898, 112592, 126320, 140740, 195796, 244745, 281480, 358433, 391592, 489490, 562960, 716866, 783184, 978980, 1433732, 1792165, 1957960, 2867464, 3584330, 3915920, 5734928, 7168660, 11111423, 14337320, 22222846, 28674640, 44445692, 55557115, 88891384, 111114230, 177782768, 222228460, 444456920, 888913840]

約数ペア:

[(1, 888913840), (2, 444456920), (4, 222228460), (5, 177782768), (8, 111114230), (10, 88891384), (16, 55557115), (20, 44445692), (31, 28674640), (40, 22222846), (62, 14337320), (80, 11111423), (124, 7168660), (155, 5734928), (227, 3915920), (248, 3584330), (310, 2867464), (454, 1957960), (496, 1792165), (620, 1433732), (908, 978980), (1135, 783184), (1240, 716866), (1579, 562960), (1816, 489490), (2270, 391592), (2480, 358433), (3158, 281480), (3632, 244745), (4540, 195796), (6316, 140740), (7037, 126320), (7895, 112592), (9080, 97898), (12632, 70370), (14074, 63160), (15790, 56296), (18160, 48949), (25264, 35185), (28148, 31580)]