84236720

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11831}}^1$

素因数の和:11933

約数の個数: 40

約数和(自身を含む): 198067680

約数和(自身を除く): 113830960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 11831, 23662, 47324, 59155, 94648, 118310, 189296, 236620, 473240, 946480, 1052959, 2105918, 4211836, 5264795, 8423672, 10529590, 16847344, 21059180, 42118360, 84236720]

約数ペア:

[(1, 84236720), (2, 42118360), (4, 21059180), (5, 16847344), (8, 10529590), (10, 8423672), (16, 5264795), (20, 4211836), (40, 2105918), (80, 1052959), (89, 946480), (178, 473240), (356, 236620), (445, 189296), (712, 118310), (890, 94648), (1424, 59155), (1780, 47324), (3560, 23662), (7120, 11831)]