87429280

素因数分解:

$2^5\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1217}}^1$

素因数の和:1681

約数の個数: 48

約数和(自身を含む): 207181800

約数和(自身を除く): 119752520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 449, 898, 1217, 1796, 2245, 2434, 3592, 4490, 4868, 6085, 7184, 8980, 9736, 12170, 14368, 17960, 19472, 24340, 35920, 38944, 48680, 71840, 97360, 194720, 546433, 1092866, 2185732, 2732165, 4371464, 5464330, 8742928, 10928660, 17485856, 21857320, 43714640, 87429280]

約数ペア:

[(1, 87429280), (2, 43714640), (4, 21857320), (5, 17485856), (8, 10928660), (10, 8742928), (16, 5464330), (20, 4371464), (32, 2732165), (40, 2185732), (80, 1092866), (160, 546433), (449, 194720), (898, 97360), (1217, 71840), (1796, 48680), (2245, 38944), (2434, 35920), (3592, 24340), (4490, 19472), (4868, 17960), (6085, 14368), (7184, 12170), (8980, 9736)]