4020162080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{207653}}^1$

素因数の和:207690

約数の個数: 72

約数和(自身を含む): 10439597196

約数和(自身を除く): 6419435116

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4840, 9680, 19360, 207653, 415306, 830612, 1038265, 1661224, 2076530, 2284183, 3322448, 4153060, 4568366, 6644896, 8306120, 9136732, 11420915, 16612240, 18273464, 22841830, 25126013, 33224480, 36546928, 45683660, 50252026, 73093856, 91367320, 100504052, 125630065, 182734640, 201008104, 251260130, 365469280, 402016208, 502520260, 804032416, 1005040520, 2010081040, 4020162080]

約数ペア:

[(1, 4020162080), (2, 2010081040), (4, 1005040520), (5, 804032416), (8, 502520260), (10, 402016208), (11, 365469280), (16, 251260130), (20, 201008104), (22, 182734640), (32, 125630065), (40, 100504052), (44, 91367320), (55, 73093856), (80, 50252026), (88, 45683660), (110, 36546928), (121, 33224480), (160, 25126013), (176, 22841830), (220, 18273464), (242, 16612240), (352, 11420915), (440, 9136732), (484, 8306120), (605, 6644896), (880, 4568366), (968, 4153060), (1210, 3322448), (1760, 2284183), (1936, 2076530), (2420, 1661224), (3872, 1038265), (4840, 830612), (9680, 415306), (19360, 207653)]