29398480

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4129}}^1$

素因数の和:4231

約数の個数: 40

約数和(自身を含む): 69136200

約数和(自身を除く): 39737720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 4129, 7120, 8258, 16516, 20645, 33032, 41290, 66064, 82580, 165160, 330320, 367481, 734962, 1469924, 1837405, 2939848, 3674810, 5879696, 7349620, 14699240, 29398480]

約数ペア:

[(1, 29398480), (2, 14699240), (4, 7349620), (5, 5879696), (8, 3674810), (10, 2939848), (16, 1837405), (20, 1469924), (40, 734962), (80, 367481), (89, 330320), (178, 165160), (356, 82580), (445, 66064), (712, 41290), (890, 33032), (1424, 20645), (1780, 16516), (3560, 8258), (4129, 7120)]