23137780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 50996736

約数和(自身を除く): 27858956

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 557, 620, 670, 1114, 1340, 2077, 2228, 2785, 4154, 5570, 8308, 10385, 11140, 17267, 20770, 34534, 37319, 41540, 69068, 74638, 86335, 149276, 172670, 186595, 345340, 373190, 746380, 1156889, 2313778, 4627556, 5784445, 11568890, 23137780]

約数ペア:

[(1, 23137780), (2, 11568890), (4, 5784445), (5, 4627556), (10, 2313778), (20, 1156889), (31, 746380), (62, 373190), (67, 345340), (124, 186595), (134, 172670), (155, 149276), (268, 86335), (310, 74638), (335, 69068), (557, 41540), (620, 37319), (670, 34534), (1114, 20770), (1340, 17267), (2077, 11140), (2228, 10385), (2785, 8308), (4154, 5570)]